00874cam a2200289 i 4500 2743236 OS 20151023231648.0 780721s1976 sa b 000 0 eng 78316287 SA*** 0869653652 : R1.95 DLC DLC DLC eng afr LB1028.5 .H32513 371.3/94422 Hattingh, D. L. 41096 Programmed instruction / D. L. Hattingh ; translated by C. P. Kleyn. Pretoria : Institute for Educational Research, 1976. vii, 120 p. ; 21 cm. Report O ; no. 42 41097 Includes bibliographical references. Summary in Afrikaans. Programmed instruction. 41098 ddc BK 0 7 cbc orignew 3 ncip 19 y-gencatlg 18483 18483 0 0 ddc 0 0 DAPA DAPA 2013-08-08 0 371.39 HAT APA059217 2013-08-08 1 2013-08-08 BK