Lingga, Rosenni Nursetia, et al. “The Effect of Horizontal Communication, Vertical Communication and Diagonal Communication on Employee Work Morale at the Sub-District Office, Rantau Utara”. Daengku: Journal of Humanities and Social Sciences Innovation, vol. 3, no. 3, Jan. 2023, pp. 362-7, doi:10.35877/454RI.daengku1530.