000 00331nam a2200157Ia 4500
082 _a374
_bSi617.SE
100 _aSinha, P. R. R. ,ed.
245 _aStudies in extension education
_b
260 _aHyderabad
_bNICD
_c1972
300 _a151p.
500 _a
690 _a
700 _a
964 _a
_b
_c
_d
_e
_f
_g
921 _a8095
999 _c8095
_d8095