PURNAWAN JATI, S. S. Studi Interaksi Masyarakat Masa Lampau Suatu Analisis Model Graviti (Gravity Model). Berkala Arkeologi, [S. l.], v. 19, n. 1, p. 78–88, 1999. DOI: 10.30883/jba.v19i1.794. Disponível em: https://berkalaarkeologi.kemdikbud.go.id/index.php/berkalaarkeologi/article/view/794. Acesso em: 23 nov. 2025.