Vimala, Venerable, and Soontaraporn Techapalokul. 2019. “Venerable Ānanda and His Insight Meditation (Vipassanā)”. The Journal of International Buddhist Studies College 5 (1). Phra Nakhon Si Ayutthaya, Thailand.:84-96. https://so03.tci-thaijo.org/index.php/ibsc/article/view/209935.