MUDZAKIR, Ali; MUWAFFIQILLAH, Moch.; MUZAKKI, Imron. Pengaruh Antara Kecerdasan Sosial Dengan Produktivitas Kerja Karyawan Bagian Penjualan. Happiness: Journal of Psychology and Islamic Science, [S. l.], v. 2, n. 1, p. 41–55, 2018. DOI: 10.30762/happiness.v2i1.338. Disponível em: http://103.134.17.251/happiness/article/view/338. Acesso em: 1 july. 2026.