00785cam a2200241K 4500 ocm19641677 OCoLC 20101005082953.0 890501s1969 sa a b 000 0 afr d (OCoLC)19641677 AUM AUM OCL Z@L 371.3 @ LB1028.5 .H37 Harmse, H. J. 9140 'N besinning oor die p edagogies-didaktiese waarde van programonderrig. Johannesburg, Voortrekkerpers Beperk, 1969. 205 p. illus. 22 cm. South Africa. National Council for Social Research. Publikasiereeks, nr. 25 Includes bibliography. Programmed instruction. 9141 ddc BK NO HOLDINGS IN ZAAPA - 15 OTHER HOLDINGS 7991 7991