TY - BOOK AU - Gupta, Tirath. TI - Economics of trees versus annual crops on marginal agricultural lands T2 - CMA Monograph, no.81 U1 - 333.073:634(544.6) M2 PY - 1982/// CY - New Delhi PB - Oxford & IBH KW - Tirath Gupta and Deepinder Mohan. KW - Mohan, Deepinder KW - Economics,Trees ER -