Economics of groundwater irrigation in hard rock regions.
Dhawan B D
Economics of groundwater irrigation in hard rock regions. Dhawan B D - 1986
79027
Annuals, Advances
X9(D2).235'N7, M6
Economics of groundwater irrigation in hard rock regions. Dhawan B D - 1986
79027
Annuals, Advances
X9(D2).235'N7, M6