Here are some books of author Ton Phi have been published on Amazon. You can buy one book to support mr. Ton Phi to develope his computer company:
1/ The protestant ethic and the spirit of Capitalism: L’éthique protestante et l’esprit du Capitalisme (English)
Price: 19.5 usd
2/ The knowledge economy (Dual language English-Vietnamese)
Price: 50 usd
3/ Đạo đức kinh doanh nửa sau thế kỷ XXI: Business ethics in the second half of the 21st century
Language : Dual Language. English and Vienamese. Price: 25$.