The Development of Professional Competency Certification Assessment Model for Junior Mobile Programmers. - Dony Novaliendry; Ahyanuardi; Irma Yulia Basri; Noper Ardi; Nathasyah Utami Hakim; Muhammad Fadilh Putra Pratama; Nenny Mahyuddin (Int. J. Interact. Mob. Technol., 2023)