There are several books available in the market.
The Complete Book of Business Plans: If you’re not ready to put your faith in just one method of business planning, then this is the book for you. Inside this staple of the business world, you will find over a dozen business plan templates you can use to jumpstart your business and attract investors quickly. You will also find advice on getting and staying motivated, how to make sure you are bringing the best possible partners onto your project, and how to propel your business forward for decades to come. Before you even sit down to write your business plan, this book will help you decide whether it is worth doing so in the first place. Written by small business expert Rhonda Abrams, this book has worksheets, sample business plans, and plenty of advice from other experts in the field of business planning, as well as advice if you are entering competitions or hoping to secure funders. As you start writing your business plan, you will also be thinking about who will run your organization in addition to all the other information contained inside.
You can read more here: https://www.thebalancesmb.com/best-business-plan-books-2890050
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