000 00353nam a2200121Ia 4500
100 _aHavelock, R. G. & Huberman, A. M.
020 _a0-03-044206-0
942 _cBK
245 _aSolving educational problems : the theory and reality of innovation in developing countries
260 _aPraeger, Unesco
_c1978
082 _a370.194 Hav/Hub
300 _a309
999 _c18260
_d18260