Jorge Pérez Vides, Yojana Pérez Pertuz, and Jhon Jairo Feria Díaz. “TRIPLE RESTRICTION IN MANAGEMENT TECHNIQUES IN PLANNING PROCESSES IN THE PROJECT MANAGEMENT: A REVIEW”. PalArch’s Journal of Archaeology of Egypt / Egyptology, vol. 18, no. 08, July 2021, pp. 2920-3, https://www.archives.palarch.nl/index.php/jae/article/view/9252.