Ajunwa Joseph, Raymond Emmanuel, Usman Abrahanam Usm & Ayanda Samuel Owodunni. (2021). DEVELOPMENT OF TRAINING MANUAL FOR MAINTENANCE OF POWER SUB-SYSTEM OF RADIO AND DIGITAL VERSATILE DISC PLAYER FOR ELECTRONICS CRAFTSMEN. AU EJournal of Interdisciplinary Research (ISSN: 2408-1906), 6(1). Retrieved from http://www.assumptionjournal.au.edu/index.php/eJIR/article/view/5291