Supattra Phromsiri และ Chitlada Areesantichai. (2017) Internet addiction and health problems through smartphone among international students in a university in Bangkok Thailand : online questionnaire. Chulalongkorn University:ม.ป.ท.Supattra Phromsiri และ Chitlada Areesantichai. 2017. Internet addiction and health problems through smartphone among international students in a university in Bangkok Thailand : online questionnaire. ม.ป.ท.:Chulalongkorn University;Supattra Phromsiri และ Chitlada Areesantichai. Internet addiction and health problems through smartphone among international students in a university in Bangkok Thailand : online questionnaire. ม.ป.ท.:Chulalongkorn University, 2017. Print.