N. . Moqbel Hassan, “CONSTRUCTORS AND DESTRUCTUR IN OBJECT ORIENTED PROGRAMMING”, J. eng. sustain. dev., vol. 21, no. 4, pp. 1–13, Jul. 2017, Accessed: Jun. 13, 2026. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/468