Darsono, Antonius Kiritin Kunto, et al. “Performance Among Students of the Indonesian Within Police Language School: The Impact of Communication and Trust”. PalArch’s Journal of Archaeology of Egypt Egyptology, vol. 17, no. 2, Dec. 2020, pp. 445-59, https://www.archives.palarch.nl/index.php/jae/article/view/2029.