Ullah S, Rahman I ur, Rahman S ur. Systematic Augmentation of Artoolkit Markers for Indoor Navigation and Guidance: Systematic Augmentation of ARToolkit Markers for Indoor Navigation and Guidance. PPASA [Internet]. 2021 Mar. 31 [cited 2024 Dec. 23];56(1):1–8. Available from: http://ppaspk.org/index.php/PPAS-A/article/view/145