Jana, P K Mandal, R C
Water resource and micro irrigation: sprinkler and drip system - New Delhi, Kalyani Publishers 1998 - 196
Water resource/ Water conservation
631.7 MAN
100
Water resource and micro irrigation: sprinkler and drip system - New Delhi, Kalyani Publishers 1998 - 196
Water resource/ Water conservation
631.7 MAN
100