Question from Ms. Kadek Widiastari
2020.07.15 09:21:00

Dear Ms. Kamila

I think your book is great. But I have two questions:
1. Can you explain, why did you choose 4S TDM for the R&D procedure?
2. Is this book specifically develop for senior high school/junior high school students
for learning resource or can it be used by the general public?