and Effects of Psychological, Emotional, Social, and Cognitive Factors. I21 — Analysis of Education.
D72; D83; H52; H77
I25 D85 L86 O55
I21, I20, O33, D91, C93, H24
I15 I25 J13 O15
J13, J16, J22, D13, C83, D63
C93, I21, D91
I21, C93, I28, J24
I21, O15, C93
O16, D14, I38