Robinson, Reagan. “CONSTRAINTS TO REPAIRS AND MAINTENANCE OF ELECTRONIC SYSTEMS IN TECHNICAL COLLEGES’ WORKSHOPS IN RIVERS STATE OF NIGERIA”. International Journal of Engineering Technologies and Management Research 5, no. 12 (December 31, 2018): 114–122. Accessed July 18, 2024. https://www.granthaalayahpublication.org/ijetmr-ojms/ijetmr/article/view/08_IJETMR18_A11_564.