Ali Rukaby dr., Zahra Amiry dr. The Effect of Electronic Trade on Reducing Costs of the Product Life –Cycle. TANRA [Internet]. 2014 Jun. 1 [cited 2026 Jan. 18];36(116):85-102. Available from: https://tanmiyat.uomosul.edu.iq/index.php/tanmiyat/article/view/29849