Pardthaisong, T. (2023) “Fertility Decline and Consequences of the National Family Planning Program: An Analysis of the Achievements of Family Planning Activities in Chiang Mai and Lamphun Provinces”, Journal of Population and Social Studies [JPSS], 1(1), pp. 43–76. available at: https://so03.tci-thaijo.org/index.php/jpss/article/view/268419 (accessed: 14 October 2026).