N57,O12,O13,Q12,Q16,Q18
C91, D90, D91
D72, D83, D91, E71
C93, D91, J24
C93, D83, D91, J22, J81
D12, O12, Q54
C93, O33, L82, D83
C93, D83, J31, J71, M51
C33 C91 D91
), O13 (Economic Development: Agriculture; Natural Resources; Energy; Environment), C93 (Field Experiments)