Muslim Limpanasitthikul. (1991) Zeta potential characteristic of sulfamethoxazole and trimethoprim. Mahidol University,:ม.ป.ท.Muslim Limpanasitthikul. 1991. Zeta potential characteristic of sulfamethoxazole and trimethoprim. ม.ป.ท.:Mahidol University,;Muslim Limpanasitthikul. Zeta potential characteristic of sulfamethoxazole and trimethoprim. ม.ป.ท.:Mahidol University, 1991. Print.