APA (7th ed.) Citation

El-Hefian, E. A., Nasef, M. M., & Yahaya, A. H. The Preparation and Characterization of Chitosan / Poly (Vinyl Alcohol) Blended Films. Wiley.

Chicago Style (17th ed.) Citation

El-Hefian, Esam A., Mohamed Mahmoud Nasef, and Abdul Hamid Yahaya. The Preparation and Characterization of Chitosan / Poly (Vinyl Alcohol) Blended Films. Wiley.

MLA (9th ed.) Citation

El-Hefian, Esam A., et al. The Preparation and Characterization of Chitosan / Poly (Vinyl Alcohol) Blended Films. Wiley.