WASIK, A. .; JABIR, N. A. .; NUR A, I. . The concept of happiness and positive thinking in sufism education at the Majlis Mutiara Qalbu. International Journal on Integrated Education, [S. l.], v. 4, n. 6, p. 265–272, 2021. DOI: 10.31149/ijie.v4i6.2009. Disponível em: https://journals.researchparks.org/index.php/IJIE/article/view/2009. Acesso em: 16 sep. 2026.