{"id":9116,"date":"2026-04-16T11:41:04","date_gmt":"2026-04-16T04:41:04","guid":{"rendered":"https:\/\/prekmarket.com\/?post_type=product&p=9116"},"modified":"2026-07-01T06:39:02","modified_gmt":"2026-06-30T23:39:02","slug":"the-80-20-principle-by-richard-koch","status":"publish","type":"product","link":"https:\/\/prekmarket.com\/kh\/product\/the-80-20-principle-by-richard-koch\/","title":{"rendered":"The 80\/20 Principle by Richard Koch"},"content":{"rendered":"

The 80\/20 Principle reveals a powerful truth: 80% of results come from just 20% of efforts. Richard Koch explains how this principle applies to business, productivity, wealth, and personal life.<\/p>\n

Through clear examples, the book shows how identifying the most valuable actions can dramatically improve results while reducing stress and wasted effort. It teaches readers to focus on what truly matters.<\/p>\n

This book is perfect for anyone who wants to work smarter, achieve more with less effort, and design a more effective life.<\/p>","protected":false},"excerpt":{"rendered":"

Get better results with less effort by focusing on high-impact actions.
\nNote:<\/b> The book is covered with plastic.<\/p>","protected":false},"featured_media":9224,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[417,916],"product_tag":[919],"class_list":["post-9116","product","type-product","status-publish","has-post-thumbnail","product_cat-books","product_cat-personal-development","product_tag-books","first","instock","shipping-taxable","purchasable","product-type-simple"],"pure_taxonomies":{"product_cat":[{"term_id":417,"name":"Books","slug":"books","term_group":0,"term_taxonomy_id":417,"taxonomy":"product_cat","description":"","parent":0,"count":175,"filter":"raw","image":""},{"term_id":916,"name":"Personal Development","slug":"personal-development","term_group":0,"term_taxonomy_id":916,"taxonomy":"product_cat","description":"

Personal Development focuses on improving mindset, habits, skills, and self-awareness to help you grow personally and professionally. Discover books and insights on goal setting, productivity, confidence, discipline, and lifelong learning to become the best version of yourself.<\/p>\r\n

<\/p>","parent":417,"count":35,"filter":"raw","image":""}],"product_tag":[{"term_id":919,"name":"books","slug":"books","term_group":0,"term_taxonomy_id":919,"taxonomy":"product_tag","description":"","parent":0,"count":51,"filter":"raw","image":""}]},"yoast_head":"\nThe 80\/20 Principle by Richard Koch - Prek Market<\/title>\n<meta name=\"description\" content=\"Learn how to achieve more by focusing on what matters most with The 80\/20 Principle by Richard Koch.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/prekmarket.com\/kh\/product\/the-80-20-principle-by-richard-koch\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The 80\/20 Principle by Richard Koch - Prek Market\" \/>\n<meta property=\"og:description\" content=\"Learn how to achieve more by focusing on what matters most with The 80\/20 Principle by Richard Koch.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/prekmarket.com\/kh\/product\/the-80-20-principle-by-richard-koch\/\" \/>\n<meta property=\"og:site_name\" content=\"Prek Market\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-30T23:39:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/prekmarket.com\/wp-content\/uploads\/2026\/04\/1.-The-80_20-Principles2.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 \u1793\u17b6\u1791\u17b8\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/prekmarket.com\\\/product\\\/the-80-20-principle-by-richard-koch\\\/\",\"url\":\"https:\\\/\\\/prekmarket.com\\\/product\\\/the-80-20-principle-by-richard-koch\\\/\",\"name\":\"The 80\\\/20 Principle by Richard Koch - 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