MOHAMMED, Mohammed Gamal Saleh. A unit formulated according to climbing the hill strategy to develop the historical understanding skills of first year secondary students. Journal of Curriculum and Teaching Methodology, New Mexico, United States, v. 1, n. 2, p. 143–159, 2022. DOI: 10.26389/AJSRP.S101221. Disponível em: https://ajsrp.ojsexpert.com/index.php/jctm/article/view/4707. Acesso em: 20 dec. 2025.