Worrasirinara, P., W. Suttharangsee, and V. Kongsuwan. “Factors Predicting Negative Expressed Emotion Among Family Caregivers of Persons With Major Depressive Disorder”. Nursing Science Journal of Thailand, vol. 37, no. 1, Apr. 2019, pp. 17-31, https://he02.tci-thaijo.org/index.php/ns/article/view/183574.