Weiangkham, Dao, Patcharaporn Kerdmongkol, Kwanjai Amnatsatsue, Siriphan Sasat, and Allan B.Steckler. 2014. “Problems and Needs of the Elderly in Northern Thailand Remote Area”. Kasetsart Journal of Social Sciences 35 (3):516-23. https://so04.tci-thaijo.org/index.php/kjss/article/view/247299.