Ritonga, U., Simanjorang, E. F. S. and Pitriyani , P. (2026) “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), 3(3), pp. 4063–4072. doi: 10.62567/micjo.v3i3.3037.