ROSHANI J. MAKWANA; DR. L.B.ZALA; PROF.A.A.AMIN. CALIBRATION OF GRAVITY MODEL: A CASE STUDY OF AVKUDA REGION. International Journal of Advance Research in Engineering, Science & Technology, [S. l.], v. 2, n. 5, p. 204–206, 2015. Disponível em: https://ijarest.org/index.php/ijarest/article/view/149. Acesso em: 16 dec. 2025.