K13, K41, C90, D91, O33
C72, C78, C91, C92
c91, c99, d81, e22, g11, g40
c91, c99, d81, e22, g11, G40
C90, D64, L31
C90, D81, D91, G11, I31
C92; D31; D63
C90 C91 D63 D90 H23
(Technological Change: Choices and Consequences; Diffusion Processes), D91 (Micro-Based Behavioral
L83, Z31, D91, D12, D35