Oil palm /
Nilsson, A. M.
Oil palm / A.M. Nilsson. - Rev. ed. / - Port Moresby : Dept. of Agriculture and Livestock, 1987. - 57 p. : ill. - Rural development series handbook ; no. 13 . - Rural development series handbook (Papua New Guinea. Dept. of Agriculture and Livestock) ; no. 13 .
Oil palm.
Oil palm / A.M. Nilsson. - Rev. ed. / - Port Moresby : Dept. of Agriculture and Livestock, 1987. - 57 p. : ill. - Rural development series handbook ; no. 13 . - Rural development series handbook (Papua New Guinea. Dept. of Agriculture and Livestock) ; no. 13 .
Oil palm.