Post by Marketing Matters on Nov 21, 2015 2:16:07 GMT
A new concept in education is open sourced textbooks. I'm sure some of the books are obsolete but many may be great learning essentials for any self learner out there.
Here are some links for anyone interested. All sites should be completely free to use and download books. The links I provided should direct you to the business and marketing sections of the associated websites.