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2. Ritkumrop, K., Surakarn, A., & Ekpanyaskul, C. (2022). The Effect of an Integrated Counseling Program on Emotional Regulation among Undergraduate Students with Depression. Journal of Health Research. 36(2): 186 – 198.

3. Sakunpong, N. & Ritkumrop, K. (2021). Psychometric Properties of the Thai Version Psychological Well-being Scale and Factors Related to among Thai Patients with Major Depressive Disorder. Depression Research and Treatment. 2021: 1-7.

4. Sakupong, N., & Ritkumrop, K. (2021). Resilience as a Mediator between Positive Psychosocial Factor, Psychological Well-being, and Depress among Patients with Major Depressive Disorder. Journal of Health Science Research. 15(2): 138 – 149.

5. Prasertsin, U., Wanprakob, S., & Ritkumrop, K. (2020). A Study of the Approach for Promoting Student’s Characteristics Based on the Twelve Core Values of Thai People. Sripatum Review of Humanities and Social Sciences. 20(1): 34 – 48.

6. Sakunpong, N., Ritkumrop, K., & Limwattanachai, P. (2019). Effects of Positive Psychology Group Intervention on Well-being and Social Adjustment of Secondary Students in Boarding School: A Mixed Methods Approach. Journal of Behavior Science for Development. 11(1): 35 – 52.

7. Sudsawart, J., Pochanakul, K., & Ritkumrop, K. (2017). The Study of Health Care Behavior of the Elderly People in TRAT Municipality. International Journal of Advances in Science Engineering and Technology. 5(1): 68 – 71.