Krabkaew Soparat. 1990. Effects of caffeine on exercise performance. Faculty of Graduate Studies, Mahidol University;
Krabkaew Soparat. (1990) Effects of caffeine on exercise performance . Mahidol University/Bangkok.
Krabkaew Soparat. Effects of caffeine on exercise performance. . Bangkok:Mahidol University, 1990.
Krabkaew Soparat. (1990) Effects of caffeine on exercise performance . Mahidol University/Bangkok.