Chaiprakarn, W.; Leongpoman, N.; Wongpatikaseree, K.; Yomaboot, P.; Pattamarakha, K.; Moonchua, A. The Effectiveness of ’Nong Hug’ Chatbot on Anxiety, Depression, and Stress Among High School Students in Chiang Rai Province. APPJ 2025, 41, 31-45.