Aristides SG, Lopez LDM. Physiographic Analysis as a Conceptual Approach for the Integrated Study of the Landscape. A Case Study of the Usumacinta River watershed, Mexico. EJAS [Internet]. 2022Jul.28 [cited 2024Nov.24];10(4):247-61. Available from: https://journals.scholarpublishing.org/index.php/AIVP/article/view/12467