HANG, Nguyen Thi Thu; THANH, Do Duc; MINH, Le Huy. Application of directional derivative method to determine boundary of magnetic sources by total magnetic anomalies. <b>Vietnam Journal of Earth Sciences</b>, <i>[S. l.]</i>, v. 39, n. 4, p. 360–375, 2017. DOI: 10.15625/0866-7187/39/4/10731. Disponível em: http://vjes.vast.vn/jse/article/view/10731. Acesso em: 8 nov. 2025.