Ibrahim Majeed, A., Juma’a Neamaa, H. ., Ali AL-Helali, R. ., & Eddan, M. . (2011). Multiprocessor Configuration of 8051 Microcontroller Chip. Journal of Engineering and Sustainable Development, 15(3), 1-13. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1323