Nugraha, Havin, AND 		Widiono, Suyud.
" APLIKASI GAMIFY PELATIHAN SUMBER DAYA MANUSIA (SDM) KARYAWAN MENGGUNAKAN METODE USER CENTERED DESIGN (UCD)" <em>JOISIE (Journal Of Information Systems And Informatics Engineering)</em> [Online], Volume 8 Number 2 (1 January 2025)