The book looks like a textbook and is it meant to use as an assigned reading for a course, however the belief that the textbook is a textbook is irrational. The reasons are as follow: First, I browse through the book, and the book does have a patent rights, but there is no ISSN number, no author’s name, no edition number,
The book looks like a textbook and is it meant to use as an assigned reading for a course, however the belief that the textbook is a textbook is irrational. The reasons are as follow: First, I browse through the book, and the book does have a patent rights, but there is no ISSN number, no author’s name, no edition number,