Rechar, J., Jantarto, D., & Syaiful, A. (2020). ANALYSIS OF THE EFFECTIVENESS OF JOINT HYDROGRAPHIC SURVEY INDONESIA - SINGAPORE - MALAYSIA TO ENHANCE SAFETY NAVIGATION IN THE STRAIT OF MALACCA AND SINGAPORE. Jurnal Pertahanan: Media Informasi Tentang Kajian Dan Strategi Pertahanan Yang Mengedepankan Identity, Nasionalism Dan Integrity, 6(3), 483–495. https://doi.org/10.33172/jp.v6i3.954