Harefa, T. M., E. Telaumbanua, F. Hulu, and R. M. P. Waruwu. “Analysis of Communication and Employee Interaction Gap at the UPTD of Namohalu Esiwa Community Health Center In Public Service”. ProBisnis : Jurnal Manajemen, vol. 16, no. 4, July 2025, pp. 618-22, https://ejournal.joninstitute.org/index.php/ProBisnis/article/view/1044.