Yuliastati Y, Sahat CS, Kusmiati S, Hodikoh A. The effect of peer support group (PSG) on stress levels of parents with mental retardation children in Bogor. Int. J. of Health Sci. [Internet]. 2023 Dec. 22 [cited 2026 Apr. 26];7(S1):3018-30. Available from: https://www.sciencescholar.us/journal/index.php/ijhs/article/view/14674