Krisna Yimkaew. 1996. Design a tele-taxi service system. Faculty of Graduate Studies, Mahidol University;
Krisna Yimkaew. (1996) Design a tele-taxi service system . Mahidol University/Bangkok.
Krisna Yimkaew. Design a tele-taxi service system. . Bangkok:Mahidol University, 1996.
Krisna Yimkaew. (1996) Design a tele-taxi service system . Mahidol University/Bangkok.