@article {sweilam2021optimal,
	title = {Optimal control of variable-order fractional model for delay cancer treatments},
	journal = {Applied Mathematical Modelling},
	volume = {89},
	year = {2021},
	note = {n/a},
	pages = {1557{\textendash}1574},
	publisher = {Elsevier},
	abstract = {n/a},
	author = {N.H. Sweilam and SM Al-Mekhlafi and Albalawi, AO and Tenreiro Machado, J.A.}
}
