Sangkapreecha, P., and T. Sangkapreecha. “The Cave of Healing: The Physical /Spiritual Detoxification and The Distinctive Healing Program for Drug Rehabilitation at Thamkrabok Monastery, Thailand”. Humanities, Arts and Social Sciences Studies, vol. 13, no. 1, May 2013, pp. 123-38, https://so02.tci-thaijo.org/index.php/hasss/article/view/8724.