000 00474nam a2200169Ia 4500
999 _c1376
_d1376
005 20211221133842.0
008 180712s9999 xx 000 0 und d
020 _a9231012428
082 _a371.3
_bUNI
_223
100 _aUNESCO
245 2 _aA systems approach to teaching and learning procedures: a guide for educators
260 _aParis
_bThe UNESCO press
_c1975
300 _a144 p.
500 _a Includes bibliography.
650 _aClassroom techniques
942 _cS