D83, D91, I12, I18.
H57: Procurement; Q13: Agricultural Markets and Marketing; D83: Search
D83, E31, E52, E71, R21
D82, J64, J68, M51, O12, O25
I10, I18, I3
D22,D83,I20,J20,O31,L25,L26,M13,M53
O12, O15, H44, H52, I22, I25, I28
O12, O13, O15, Q01
H23, Q54, Q58
C72, C73, C92, D83