Mya และ Yin Yin. (1992) The effect of scoio-economic status on infant mortality in Thailand. Mahidol University,:ม.ป.ท. 10.14457/MU.the.1992.352

Mya และ Yin Yin. 1992. The effect of scoio-economic status on infant mortality in Thailand. ม.ป.ท.:Mahidol University,; 10.14457/MU.the.1992.352

Mya และ Yin Yin. The effect of scoio-economic status on infant mortality in Thailand. ม.ป.ท.:Mahidol University, 1992. Print. 10.14457/MU.the.1992.352