Oki Purwanto, Danang Dwi Prasetyo, and Hanifah Noviandari, “Peran Yaummi Mobile terhadap Perkembangan Nasabah di KSPPS Yaummi Maziyah Assa’adah Pati di Era Digital”, QLB, vol. 2, no. 1, pp. 39–53, Nov. 2021.