Proceedings of the Seminar ... , Serdang, 10th December 1979 - SEMINAR on Chemistry and Fertility of Tropical Soils; Othman Yaacob; Sharifuddin (Kuala Lumpur : Malaysian Society of Soil Science, 1979)
Includes bibliographical references
Keywords: Soil fertility -- Congresses -- Tropics; Soils -- Congresses -- Tropics