Witthayapipopsakul, W., Wanwong, Y., Islam Marshall, A., Chotchoungchatchai, S., Patcharanarumol, W., & Tangcharoensathien, V. (2022). Effective Coverage and Its Application in the Thai Context. Journal of Health Systems Research, 16(1), 112–127. retrieved from https://he04.tci-thaijo.org/index.php/j_hsr/article/view/3484