RITONGA, Umaisi; SIMANJORANG, Elida Florentina Sinaga; PITRIYANI , Pitriyani. THE INFLUENCE OF HORIZONTAL COMMUNICATION, VERTICAL COMMUNICATION AND DIAGONAL COMMUNICATION ON EMPLOYEE WORK MORALE AT THE RANTAU UTARA DISTRICT OFFICE. Multidisciplinary Indonesian Center Journal (MICJO), [S. l.], v. 3, n. 3, p. 4063–4072, 2026. DOI: 10.62567/micjo.v3i3.3037. Disponível em: https://e-jurnal.jurnalcenter.com/index.php/micjo/article/view/3037. Acesso em: 24 aug. 2026.