na INLIS000000000006580 Ind 0010-1118006580 Methods and explanations in the study of human action and their environmental effects VAYDA, Andrew P by Andraw P. Vayda Jakarta Center for International Forestry Research 1996 44 p.: 20 cm 44 p.: 20 cm Bibliografi : p.33-44 551.588.001.5 ENVIRONMENTAL CONTROL HUMAN ECOLOGY WORK STUDY METHODS 312/96-mfn8358