Economics of wastelands development: seminar proceedings

by 58089 Clusi, R.E., 50106 Bopp, J.R, 39486 (eds.), 118334 SHARMA, K., 39485 (ed.), 121923 Stoney, C., 69964 Gallup, C.E., 2524 AID, Washington (EUA). Forestry Fuelwood Research and Development Project, 39032 The Social Sciences in Asian Forestry Curricula, Khon Kaen (Tailandia), 27 Nov - 2 Dic 1988