Patcharawalai Wongboonsin. 1994. An empirical study of economic foreign policy behavior of Southeast Asia in the first half of the 1990s. Bangkok:Chulalongkorn University;
Patcharawalai Wongboonsin. (1994) An empirical study of economic foreign policy behavior of Southeast Asia in the first half of the 1990s (รายงานผลงานวิจัย). Chulalongkorn University:Bangkok.
Patcharawalai Wongboonsin. An empirical study of economic foreign policy behavior of Southeast Asia in the first half of the 1990s. Bangkok:Chulalongkorn University, 1994.
Patcharawalai Wongboonsin. (1994) An empirical study of economic foreign policy behavior of Southeast Asia in the first half of the 1990s (รายงานผลงานวิจัย). Chulalongkorn University:Bangkok.