Gomaa M. DAWOD; Ibrahim E. ASCOURA. The Validity of Open-Source Elevations for Different Topographic Map Scales and Geomatics Applications in Egypt and Saudi Arabia. Novel Perspectives of Geography, Environment and Earth Sciences Vol. 2, [S. l.], p. 1–19, 2023. DOI: 10.9734/bpi/npgees/v2/17786D. Disponível em: https://stm.bookpi.org/NPGEES-V2/article/view/9276. Acesso em: 3 jun. 2026.