D. A. F. Laksono and M. H. R. Nugraha, “STRATEGIC LEADERSHIP IN THE DEFENSE DIPLOMACY AND THE MODERNIZATION OF THE INDONESIAN MILITARY’S MAIN EQUIPMENT AND WEAPON SYSTEMS IN THE PERIOD OF 2019–2021”, Jurnal Pertahanan, vol. 8, no. 1, pp. 99–108, Apr. 2022.