“Competitiveness In Entrepreneurs Refilling Mineral Water and Pulse Agent Payment Point Online Bank (PPOB)”.
JOURNAL OF SHARIA ECONOMICS 5, no. 1 (June 6, 2023): 42–54. Accessed September 8, 2026.
https://www.ojs.mlati.id.or.id/index.php/JSE/article/view/539.