Nugroho, Arya Setya, et al. “SPIRITUAL INTELLIGENCE IS DIRECTLY PROPORTIONAL TO THE IMPROVEMENT OF SOCIAL ATTITUDES OF ELEMENTARY SCHOOL STUDENTS”. JURNAL PENDIDIKAN DASAR NUSANTARA, vol. 8, no. 1, July 2022, pp. 15-27, https://doi.org/10.29407/jpdn.v8i1.17990.