Karuna Wiwattanakantang. 1994. An economic analysis of Thai oil palm supply response. Faculty of Economics, Thammasat University;
Karuna Wiwattanakantang. (1994) An economic analysis of Thai oil palm supply response . Thammasat University/Bangkok.
Karuna Wiwattanakantang. An economic analysis of Thai oil palm supply response. . Bangkok:Thammasat University, 1994.
Karuna Wiwattanakantang. (1994) An economic analysis of Thai oil palm supply response . Thammasat University/Bangkok.