J24, I19, I30, I31
J13 Early childhood stimulation; other codes: I20, I25, I30, I38
D63, D8, D91, I31
I15, I31, L25, L26
I20; I31
I10, I12, I31
B54, D13, I10, I31, J12, R21
I20
I31 General Welfare, Well-Being; N57 Africa • Oceania; Q12 Micro Analysis of Farm Firms, Farm
I20 General, I32 Measurement and Analysis of Poverty, I21 Analysis of Education