D91, J16, C93, D63, O12, J22
C93, J54, O12, O13
J13, J43, Q12, C93, O17
D1, D9, H43, H54, Q54
Q41, D12, Q48, O13, C93
G52, Q14, Q12, O12
N57,O12,O13,Q12,Q16,Q18
D73, I38, O12, O22, O43
D12, O12, Q54
), O13 (Economic Development: Agriculture; Natural Resources; Energy; Environment), C93 (Field Experiments)