Mochamad Sandy Triady, Dina Dellyana , Ami Fitri Utami. “COLLABORATIVE BUSINESS MODEL FROM THE PERSPECTIVE OF VALUE NETWORK”. PalArch’s Journal of Archaeology of Egypt / Egyptology, vol. 18, no. 1, Dec. 2020, pp. 925 -34, https://www.archives.palarch.nl/index.php/jae/article/view/2452.