Khalifa, G. D. A. “A Group of Unpublished Pottery Bowls Preserved in Faculty of Applied Arts Museum, Helwan University, Egypt- ’Artistic and Analytical Study’”. The International Journal of Humanities & Social Studies, vol. 6, no. 1, Jan. 2018, https://internationaljournalcorner.com/index.php/theijhss/article/view/130057.