MOCHAMMAD SINGGIH; JOKO PRIYONO. Analisis Pengembangan Strategi Pemasaran Koperasi Karyawan (KopKar) Untag Surabaya . Journal of Research and Technology, [S. l.], v. 8, n. 1, p. 15–28, 2022. DOI: 10.55732/jrt.v8i1.628. Disponível em: https://journal.unusida.ac.id/index.php/jrt/article/view/628. Acesso em: 11 apr. 2025.