MUHAMAD TRISNO; HERMANSYAH. WEBSITE BASED PPOB SALES SYSTEM AND INTEGRATED WITH WHATSAPP GATEWAY CASE STUDY OF CREDIT COUNTER. Jurnal Rekayasa Sistem Informasi dan Teknologi, [S. l.], v. 3, n. 1, p. 29–42, 2025. DOI: 10.70248/jrsit.v3i1.2252. Disponível em: https://journal.ppmi.web.id/index.php/jrsit/article/view/2252. Acesso em: 1 sep. 2026.