na INLIS000000000001578 0010-1220000419 Procedings of FAO.FIAC regional seminar on fertilizer pricing policies for Africa, nairobi, Kenya 20-24 januari 1986 Rome FAO 1986 xiv, 655 p. : ill ; 30 cm 631.8 631.8 PUPUK PUPUK-KEBIJAKSANAAN HARGA FERTILIZER. 2535 2535 2535