Sofian, Ahmad. Ilmu merawat orang sakit. - Tjet. 2. - Medan : Toko Buku dan Pertjetakan Sriganda (ex Varekamp), 1961. - 581 p. : ill. ; 24 cm. Bibliography : p. 579. LCCN: sa 64000658 Subjects--Topical Terms: Nurses and nursing. LC Class. No.: RT41 / .S59 1961