IKHUORLA, Isia A. AN AERIAL FRAME TECHNIQUE FOR POPULATION ESTIMATION: PROBLEMS, ACCURACY AND POTENTIALS. Geografia, [S. l.], v. 21, n. 1, p. 131–152, 2020. Disponível em: https://www.periodicos.rc.biblioteca.unesp.br/index.php/ageteo/article/view/14869. Acesso em: 20 fev. 2026.