000 00308nam a2200121Ia 4500
008 221219s9999 xx 000 0 und d
100 _aK. Singh
245 0 _aRural Development Principles, Politices and Management 3rd ed
250 _a3rd
260 _bSage
650 _aAgricultural Extension
942 _cBK
999 _c3058
_d3058