Gita Sari Dewi, Zainal Abidin Sahabuddin and Susilo Adi Purwanto 2023. STRATEGY TO BUILD WELFARE OF THE INDONESIAN-TIMOR LESTE POPULATION BORDER IN NUSA TENGGARA TIMUR AS A FORM OF STATE DEFENSE. JISOS: JURNAL ILMU SOSIAL. 1, 12 (Jan. 2023), 1227–1234.