Al Hamdan، S.، و Onkal، D. (2010). A Study of t he Impact of Business Environment on Operations Strategic Decisions Regarding Invent ory Policies in t he Saudi Arabian Steel Industry (رسالة ماجستير غير منشورة). Brunel University، لندن. مسترجع من http://search.mandumah.com/Record/599974
Al Hamdan، Sarah، و Dilek Onkal. "A Study of T He Impact of Business Environment On Operations Strategic Decisions Regarding Invent Ory Policies in T He Saudi Arabian Steel Industry" رسالة ماجستير. Brunel University، لندن، 2010. مسترجع من http://search.mandumah.com/Record/599974