Abdul Hamid, A. B., Zhang, D., Huam, H. T., & Md. Yusoff, R. (2011). Policies, customer-supplier relationships and information systems and technologies in the purchasing function and their impacts on purchasing and supply chain management performance. IEEE Explorer.

Abdul Hamid, Abu Bakar, Dawei Zhang, Hon Tat Huam, and Rosman Md. Yusoff. Policies, Customer-supplier Relationships and Information Systems and Technologies in the Purchasing Function and Their Impacts On Purchasing and Supply Chain Management Performance. IEEE Explorer, 2011.

Abdul Hamid, Abu Bakar, Dawei Zhang, Hon Tat Huam, and Rosman Md. Yusoff. Policies, Customer-supplier Relationships and Information Systems and Technologies in the Purchasing Function and Their Impacts On Purchasing and Supply Chain Management Performance. IEEE Explorer, 2011.