สนเพ็ชร น., and ปุญฺญมโน, ดร. พ. “ĀNĀPĀNASATI PRACTICE FOR THE OLDERS IN SOCIAL WELFARE VELOPMENT CENTER FOR OLDER PERSONS, BAN BANGKHAE”. Mahamakut Graduate School Journal, vol. 17, no. 2, May 2020, pp. 33-45, https://so04.tci-thaijo.org/index.php/mgsj/article/view/242428.