Zhishui Ma, and Piyapong Sumettikoon. “Gratitude Problems of College Students in Guizhou Province, The People’s Republic of China”. Environment and Social Psychology 11, no. 1 (January 14, 2026): ESP-4312. Accessed January 15, 2026. https://esp.as-pub.com/index.php/esp/article/view/4312.