Vichai Udomsriwatana. 1993. Effect of ultraviolet light on some entericbacteria in water. Faculty of Graduate Studies, Mahidol University;
Vichai Udomsriwatana. (1993) Effect of ultraviolet light on some entericbacteria in water . Mahidol University/Bangkok.
Vichai Udomsriwatana. Effect of ultraviolet light on some entericbacteria in water. . Bangkok:Mahidol University, 1993.
Vichai Udomsriwatana. (1993) Effect of ultraviolet light on some entericbacteria in water . Mahidol University/Bangkok.