NICHIVIKO ELECTRA POLUAN; JEMMRY RECY WINOKAN; JULIET P. T. MAKINGGUNG. Pengaruh Penggunaan Fintech Payment Terhadap Efisiensi Operasional Usaha Coffee Shop LUP Coffee . PPIMAN Pusat Publikasi Ilmu Manajemen, [S. l.], v. 4, n. 4, p. 95–111, 2026. DOI: 10.59603/ppiman.v4i4.1481. Disponível em: https://ejournal-nipamof.id/index.php/PPIMAN/article/view/1481. Acesso em: 3 oct. 2026.