Wannitikul, Gadsaraporn <br/><br/>
The relationships of socioeconomic factors on forest cover in Northeast Thailand from 1975 to 1991  [microform] : / 
by Gadsaraporn Wannitikul 
 - Madison, WI :  University of Wisconsin-Madison,  1995 
 - 2 microfisches ;  11x 15 cm.