00685cam a22002291 4500 10319511 OSt 20240603101626.0 731217s1963 ilu 000 0 eng 63021142 (OCoLC)760828 DLC OClU OCoLC DLC premarc LB1028.5 B75 Brethower, Dale M. 30698 Programed instruction: a manual of programing techniques; a self-instructional program. Chicago, Educational Methods [1963] 268 p. 22 cm. Programmed instruction. 22139 7 cbc oclcrpl u ncip 19 y-gencatlg lcc BK 50658 50658