PENGEMBANGAN SISTEM INFORMASI ANALISIS PENJUALAN BERBASIS WEB DENGAN PENDEKATAN SDLC SERTA PENERAPAN ALGORITMA SEARCHING DAN MOVING AVERAGE FORECASTING(STUDI KASUS: PT XIN YUAN INDUSTRY). JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 9, n. 4, p. 5997 – 6006, 2026. DOI: 10.54314/jssr.v9i4.6957. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/6957.. Acesso em: 16 aug. 2026.