Fingertips interaction method in handheld augmented reality for 3D manipulation by Affendy Nor’a, Muhammad Nur, Fadzli, Fazliaty Edora, Ismail, Ajune Wanis, Othman Vicubelab, Zuraifah Syazrah, Aladin, Mohamad Yahya Fekri, Wan Hanif, Wan Ahmad Asyraf