Angrini, Sisca Novia, Randy Rizal, and Reny Kartika Sary. “Evaluation of The Use of Linear Shading and Cross-Hatching Techniques in Depicting Volume in Architectural Sketches”. Arsir 9, no. 1 (February 1, 2025): 87–99. Accessed February 5, 2025. http://ojs.um-palembang.ac.id/index.php/arsir/article/view/418.