自然科教學參考書 - Reference books in natural sciences

Keywords: science, books, literature, nature, education,

Persons:
杜若城 Du Ruocheng (mentioned in advertisement)
蔡松筠 Cai Songjun (mentioned in advertisement)

實用學生修學法 - How to study: suggestions for high-school and college students

Keywords: books, literature, business, commerce, trade, education, student,

Persons:
Arthur William Kornhauser (mentioned in advertisement)
胡適 Hu Shi (mentioned in advertisement)