Bontchev, Boyan, and Radina Panayotova. “Generation of Educational 3D Maze Games for Carpet Handicraft in Bulgaria”. Digital Presentation and Preservation of Cultural and Scientific Heritage 7 (September 10, 2017): 41–52. Accessed December 30, 2024. https://dipp.math.bas.bg/dipp/article/view/dipp.2017.7.3.