STRATEGI PEMASARAN PRODUK TABUNGAN DIGITAL LIBRARY DI KSPPS BMT NU JAWA TIMUR CABANG UTAMA GAPURA SUMENEP. ppk [Internet]. 2024 Apr. 22 [cited 2024 Oct. 18];2(1):316-25. Available from: http://journal.al-khairat.ac.id/index.php/prospek/article/view/88