van der Poel, P., and H. van Dijk. (1987) 1987. “Household Economy and Tree Growing in Upland Central Java”. Agroforestry Systems 5 (2): 169-84. doi:10.1007/BF00047520.
P. van der Poel
Fixed Name
P. van der Poel
First name
P.
Last name
van der Poel