الشميري نجيب عبد القادر سيف. 2021. “Cartographic Ideal Methods for Representing the Distribution and Density of the Population: An Applied Cartographic Study of Two Sub-Districts in Al-Sahel District in Taiz Governorate”. Humanities and Educational Sciences Journal 7 (17): 239-71. https://doi.org/10.55074/hesj.v7i17.312.