00760cam a2200241 i 4500 20181210002957.0 760109s1975 fr a b i000 0 eng 9231012428 DLC DLC DLC 371.332 UNS 1975 Unesco. 49532 A Systems approach to teaching and learning procedures : a guide for educators in developing countries. Paris : Unesco Press, 1975. 144 p. : ill. ; 24 cm. Study sponsored by Unesco. Bibliography: p. [143]-144. mizan Education Developing countries. 49533 Teaching. 49534 System analysis. 49535 Unesco. 49532 ddc BK 16884 16884 0 ddc 0 0 BPATC BPATC GEN 2018-04-11 0 371.332 UNS 1975 21429 2018-04-11 00:00:00 2018-04-11 BK mizan