“PEMBUATAN SISTEM INFORMASI PENYEWAAN LAPANGAN FUTSAL VALENTINE MENGGUNAKAN METODE EXTREME PROGRAMMING (XP)”. JOURNAL OF SCIENCE AND SOCIAL RESEARCH 8, no. 4 (November 30, 2025): 5657–5664. Accessed May 3, 2026. https://jurnal.goretanpena.com/index.php/JSSR/article/view/5542.