Sumanasekara และผู้แต่งคนอื่นๆ. 2002. Knowledge and practice of emergency contraceptive pill among university young adults in Thialand. Field of Study Primary Health Care Management, Mahidol University;
Sumanasekara และผู้แต่งคนอื่นๆ. (2002) Knowledge and practice of emergency contraceptive pill among university young adults in Thialand . Mahidol University/Bangkok.
Sumanasekara และผู้แต่งคนอื่นๆ. Knowledge and practice of emergency contraceptive pill among university young adults in Thialand. . Bangkok:Mahidol University, 2002.
Sumanasekara และผู้แต่งคนอื่นๆ. (2002) Knowledge and practice of emergency contraceptive pill among university young adults in Thialand . Mahidol University/Bangkok.