I21, I25, Q54
I21 - Analysis of Education
I21, J16.
I21, I25, J24, O15
D90 D91 D83 I12 I18 I21 O35
D91 - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision
Making; J13 - Fertility • Family Planning • Child Care • Children • Youth; I20 – Education and Research Institutions - General
I21, I25, J16, C93
A21, D91, I21, J24
D03, I20, I21, O12, C93
I21, I23, C93, D90, D91