Development of 3D Tawaf Simulation for Hajj Training Application Using Virtual Environment. - Mohd Shafry Mohd Rahim; Ahmad Zakwan Azizul Fata; Ahmad Hoirul Basori; Arief Salleh Rosman; Tamar Jaya Nizar; Farah Wahida Mohd Yusof (IVIC (1), 2011)