Forat Sattar Hassoon, Ali Abdul-Hussein Hani Al-Zameli, Hayder Oudah Kadhim,. 2019. «Continuous Improvement Technique and Its Role in Costs Reduction». Opción 35 (junio), 1452-81. https://produccioncientifica.luz.edu.ve/index.php/opcion/article/view/24088.