Hutahaean ESH, Pertiwi YW. National Defense Psychology: Developing A Foundation for Mental and Character of a Youth Perspective. QLMN [Internet]. 2022 Jun. 29 [cited 2026 Feb. 17];14(1):289-302. Available from: https://ejournal.insuriponorogo.ac.id/index.php/qalamuna/article/view/4095