Waiyasusri, R. “Buddhist Amulets As a Means for Dhamma Practice: A Case Study of Buddhist Amulet of Ajarn Manus Sivapiromrut”. Journal of Buddhist Studies Chulalongkorn University, vol. 28, no. 1, Sept. 2021, pp. 1-56, https://so02.tci-thaijo.org/index.php/jbscu/article/view/242574.