@article {235589,
	title = {Fascinating Physical Properties of Multi-functional Materials: A Review},
	journal = {Nonlinear Optics, Quantum Optics},
	volume = {57},
	year = {2023},
	pages = {175-222},
	attachments = {https://scholar.cu.edu.eg/sites/default/files/asabry/files/nloqo_573-4_2023_175-222-0.pdf},
	author = {A. S. Abdel-Rahman}
}
