Subject
Study and teaching (Higher)
Mathematics
7
Audio-visual aids
3
Physics
3
Heat
2
Mechanics
2
Study and teaching
2
Anthropology
1
Chemistry, Physical and theoretical
1
Ethnology
1
History
1
Indians
1
Motivation in education
1
Number theory
1
Science
1
Study and teaching (Secondary)
1
Thermodynamics
1
Universities and colleges
1