Chomlada Loprayoon. 1991. Vending activity in Bangkok. Faculty of Economics, Thammasat University;
Chomlada Loprayoon. (1991) Vending activity in Bangkok . Thammasat University/Bangkok.
Chomlada Loprayoon. Vending activity in Bangkok. . Bangkok:Thammasat University, 1991.
Chomlada Loprayoon. (1991) Vending activity in Bangkok . Thammasat University/Bangkok.