Abdulmahdi Abdulhusein Idan, Abdulrasool Abaulabbas Sahib, Azdehar J. Mohammed AL-kuwair,. «Integrate Target Cost Techniques and Value Chain Analysis to Achieve Competitive Advantage». Opción 350 (agosto 13, 2019): 676-690. Accedido agosto 2, 2025. http://www.produccioncientifica.luz.edu.ve/index.php/opcion/article/view/24723.