@article {220943,
	title = {ONLINE WEB NAVIGATION ASSISTANT},
	journal = {Вестник Удмуртского университета. Математика. Механика. Компьютерные науки},
	volume = {31},
	year = {2021},
	pages = {116-131},
	author = {Ali, N M and A.M. Gadallah and HA Hefny and B. A. Novikov}
}
