SUBJECT
Textbooks
Corrupt practices
51
Publishers and publishing
48
Study and teaching
34
Philippines. Department of Education
25
Chemistry
24
History
23
Science
22
Geography
21
Mathematics
20
Education
19
Biology
18
English language
17
Study and teaching (Secondary)
17
Psychology
16
Social sciences
16
Evaluation
14
Study and teaching (Elementary)
12
Study and teaching (Higher)
12
Algebra
11
Teaching
10
Aids and devices
9
Authorship
9
Botany
9
Economics
9
Finance
9
Go, Antonio C.
8
Editorial cartoons
7
Electronic books
7
Bribery
6
Caricatures and cartoons
6
Content analysis (Communication)
6
Grammar
6
Physics
6
Reasoning
6
Chemistry, Organic
5
Cytology
5
Description and travel
5
Environmental sciences
5
Methodology
5
Molecular biology
5
Basic education
4
Geology
4
Judgment (Logic)
4
Logic
4
Mass media
4
Nationalism
4
Nutrition
4
Physical geography
4
Political science
4
more ...