Chotikapat, Yupa. 2016. “Knowledge, opinion and practice of health worker volunteers toward community mental health, Singburi”. วารสารสุขภาพจิตแห่งประเทศไทย 13 (2). Bangkok, Thailand:96-102. https://he01.tci-thaijo.org/index.php/jmht/article/view/51772.