Wamaloon, Chaliya, and Sopit Tubtimhin. 2021. “The development of clinical breast examination by nurses for breast cancer screening at Ubon Ratchathani Cancer hospital”. Thai Journal of Cardio-Thoracic Nursing 32 (1). Bangkok, Thailand:166-83. https://he02.tci-thaijo.org/index.php/journalthaicvtnurse/article/view/248643.