Mustafa Nash’at Jawhar and Israa Abdul-Kadir Aziz. “DEVELOPMENT OF NI-BASED SUPERALLOY BY PACK CEMENTATION PROCESS”. International Journal of Research Science and Management, vol. 5, no. 1, Jan. 2018, pp. 38-49, http://ijrsm.com/index.php/journal-ijrsm/article/view/233.