1.
Phainrungruang R, Lueboonthavatchai P. Interpersonal Problems and Depression of the Elderly at the Elderly Association in Phitsanulok Province. J Psychiatr Assoc Thailand [Internet]. 2014 Aug. 20 [cited 2022 Aug. 14];60(1):23-34. Available from: https://he01.tci-thaijo.org/index.php/JPAT/article/view/33406