Mulungu, Ben B.D. Kubzala mbewu zosiyasiyana - Lilongwe: Likulu la sukulu za kwacha (Unduna wa ntchito zachitukuko ndi zotumikira anthu) 1986 - iv, 16p.: ill.; Subjects--Topical Terms: Agricultural Extention Adult literacy Malawi. Dewey Class. No.: 633