M. S. Hossain, M. S. Miran, .-. Md Rokonujjaman, M. A. B. H. Susan, M. Y. A. Mollah, and M. Rahman, “Synthesis of Nickel Nanoparticles Using Poly (Vinyl Alcohol) As A Capping Agent”, J. Asiat. Soc. Bangladesh, Sci., vol. 40, no. 2, pp. 197–205, Dec. 2014.