Ali.Sheren, N. (2012). Knowledge and attitudes of pupils in some of primary schools regarding personal hygiene in Erbil city. Alustath, 2(1), 142-150.

Nazar Ali.Sheren. "Knowledge and attitudes of pupils in some of primary schools regarding personal hygiene in Erbil city". Alustath, 2, 1, 2012, 142-150.

Ali.Sheren, N. (2012). 'Knowledge and attitudes of pupils in some of primary schools regarding personal hygiene in Erbil city', Alustath, 2(1), pp. 142-150.

Ali.Sheren, N. Knowledge and attitudes of pupils in some of primary schools regarding personal hygiene in Erbil city. Alustath, 2012; 2(1): 142-150.