Nantasit N, Mekkhachorn N, Na Ranong L. The Effects of Using a Guidance Activities Package Combining with Mindfulness Training to Develop Self-awareness of the High School Grade 9 Students at Maesaiprasitsart School in Chiangrai Province. Ratchaphruek [internet]. 2021 Apr. 2 [cited 2026 Aug. 26];19(1):67-75. available from: https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/247297