Nurliani Firdaus, and Ramli. “Senyum : Psikologi Positif Dan Psikologi Islam”. Indonesian Journal of Islamic Counseling 5, no. 1 (May 26, 2023): 72–82. Accessed February 3, 2026. https://ejurnal.iainpare.ac.id/index.php/ijic/article/view/5359.