Nichiviko Electra Poluan, Jemmry Recy Winokan, Juliet P. T. Makinggung. Pengaruh Penggunaan Fintech Payment Terhadap Efisiensi Operasional Usaha Coffee Shop LUP Coffee . PPIMAN [Internet]. 2026 Oct. 1 [cited 2026 Oct. 3];4(4):95-111. Available from: https://ejournal-nipamof.id/index.php/PPIMAN/article/view/1481