Sinha, D.K..
Studies in Environmental Mathematics Perspectives and Approaches / - 1st ed / - New Delhi-2 : South Asian Publishers Pvt. Ltd. , 1984 - p.150,xii :
Mathematics
B0bG:5 / M3;1
Studies in Environmental Mathematics Perspectives and Approaches / - 1st ed / - New Delhi-2 : South Asian Publishers Pvt. Ltd. , 1984 - p.150,xii :
Mathematics
B0bG:5 / M3;1