00508nam a2200169Ia 4500 140224s9999 xx 000 0 und d 333.073:634(544.6) M2 Gupta, Tirath. Economics of trees versus annual crops on marginal agricultural lands New Delhi Oxford & IBH 1982 xvi,139p. CMA Monograph, no.81 Tirath Gupta and Deepinder Mohan. Mohan, Deepinder Economics,Trees BK 0 0 0 0 KSD KSD 2014-02-24 0 333.073:634(544.6) M2 3796 2014-02-24 00:00:00 2014-02-24 BK 92701 92701