Indigenous conservation farming practise: report of the joint ASCON/Commonwealth workshop in Goroka, Papua New Guinea, 3-7 December 1990
Asia Soil Conservation on Network
Indigenous conservation farming practise: report of the joint ASCON/Commonwealth workshop in Goroka, Papua New Guinea, 3-7 December 1990 (Book) - Jakarta ASOCON 1990 - 77 p. 30 cm.
631.459:631.61:631.11(047) ASI / 5537
Indigenous conservation farming practise: report of the joint ASCON/Commonwealth workshop in Goroka, Papua New Guinea, 3-7 December 1990 (Book) - Jakarta ASOCON 1990 - 77 p. 30 cm.
631.459:631.61:631.11(047) ASI / 5537