Turney, Clifford. et al. Sydney Micro Skills Voume 1: Reinforcement, Basic Questioning, Variability. - Sydney: Sydney University Press, 1979. - viii, 133p. 21 cm. ISBN: 0424068907 Subjects--Topical Terms: Teknik MengajarMengajar--Metode LC Class. No.: LB2157.A3 / .E9 1983 Dewey Class. No.: 370.733