WSEAS Transactions on Computer Research Print ISSN: 1991-8755, E-ISSN: 2415-1521 Volume 15, 2027 Mehdi Abbas, Ezanee Bin Mohamed Elias, Faisal Bin Zulhumadi, "Supplier and Customer Involvement toward Firms’ Competitive Advantage: The Mediating Role of New Product Development Efficiency", WSEAS Transactions on Computer Research, vol. 15, pp. 1-13, 2027 Journal Contents