00633nam a2200217 a 4500 43768 BD-RjUL 20211209053742.0 700727s1969 enka p 001 0 eng (BD-RjUL)43886 DLC DLC BD-RjUL eng eng 371.3944 23 CAP 1969 Callender, Patricia. 134527 Programmed learning : its development and structure / Patricia Callender Harlow : Longmans, c1969. xii, 120 p. : ill.; 23 cm. Includes index. Programmed instruction. 134528 ddc BK 43768 43768 0 0 ddc 0 0 NFIC RUCL RUCL Stack 1970-09-18 Sweets & Zeitlinger 20.00 0 371.3944 CAP 1969 2016-06-27 00:00:00 C-2 2016-06-27 BK 0 0 ddc 0 0 NFIC RUCL RUCL Stack 1970-09-18 Sweets & Zeilinger 24.00 0 371.3944 CAP 1969 2016-06-27 00:00:00 C-3 2016-06-27 BK