Goh, Hooi Beng, Sains pertanian buku dua / Goh Hooi Beng and Chee Teck Son - Kuala Lumpur : Longman Malaysia Sendirian Berhad, 1976 - vi, 140 pages : some colour, illustrations ; 25 cm ISBN: 0582704847 (paperback) Subjects--Topical Terms: Agriculture --Study and teaching (Secondary) LC Class. No.: LB1681 G644