Gaya APA

PACIFICLAND workshop on the establishment of soil management experiments on sloping lands: papers and reports of a training workshop held at Aiyura, Papua New Guinea, 22 September-2 October 1989. (1990). Aiyura, Papua New Guinea: International Board for Soil Research and Management.

Gaya MLA

PACIFICLAND workshop on the establishment of soil management experiments on sloping lands: papers and reports of a training workshop held at Aiyura, Papua New Guinea, 22 September-2 October 1989. . Aiyura, Papua New Guinea: International Board for Soil Research and Management, 1990. Buku.