Sa-ngiam Torut. 1994. A comparison of language learning strategies of Thai university students in acquiring English proficiency. Graduate School, Southern Illinois University;
Sa-ngiam Torut. (1994) A comparison of language learning strategies of Thai university students in acquiring English proficiency . Southern Illinois University/Illinois.
Sa-ngiam Torut. A comparison of language learning strategies of Thai university students in acquiring English proficiency. . Illinois:Southern Illinois University, 1994.
Sa-ngiam Torut. (1994) A comparison of language learning strategies of Thai university students in acquiring English proficiency . Southern Illinois University/Illinois.