00513cam a22001931 4500 ne 67001449 DLC 20260227111834.0 060911s1966 xx a 000 0 ara ne 67001449 DLC DLC DLC Q181 .B14 Badrān, Muṣṭafā. Buḥūth fī tadrīs al-ʻulūm. .1966 308 p. illus. 24 cm. Science Study and teaching. Dīb, Fatḥī, 1922- joint author. 49747 49747