000 00282nam a2200097 4500
245 _aGreen revolution : a case study of Panjab
_cM. S. Randhawa
100 _aRandhawa, M. S
260 _aDelhi
_bVikas
_cc1974
300 _axvi,207p.:ill.,maps.,plates.; 22cm.
082 _a338.10954552
_bRAN
999 _c20632
_d20632