00733nam a2200253 a 4500 53905 BD-RjUL 20211209080036.0 161029s1988 e a|||| |||| 00| 0 eng d 9231025309 (vol 2) (BD-RjUL)54027 BD-RjUL eng BD-RjUL eng 507 INN 1988 Innovations in science and technology education / Edited by David Layton Belgium : UNESCO, 1988 V. : ill. ; 24 cm. Vol.-1 --- Science Study and teaching. 161004 Technical education 161005 Educational innovations 149149 Layton, David 161006 ddc BK 53905 53905 0 0 ddc 0 0 NFIC RUCL RUCL Stack 1988-12-19 Asia Foundation 0 507 INN V-2 1988 2016-10-29 00:00:00 C-2 2016-10-29 BK