M41 – Accounting O33 – Technological Change: Choices and Consequences; Diffusion Processes L26
O12
D91, J16, C93, D63, O12, J22
J64, O15, O33, D83, J68, C93, D91, J24, O12
I38, O12, J13, I15, I25, C93
83, J16, K42, O12
N57,O12,O13,Q12,Q16,Q18
O12, D83, D91, I15
C93, H41, H42, O12, Q25
J22; D13; J16; O12; Q56; C93.