by Berutu, Nurmala, Sidauruk, Tumiar, Damanik, M. Ridha Syafii, Yuniastuti, Eni, Matondang, M. Farouq Ghazali
Published in Randwick International of Social Science Journal (31.10.2023)

by Permana, Sendi, Siburian, Pukarda Jordan, Lubis, Darwin Parlaungan, Damanik, M Ridha Syafii, Rahmadi, M Taufik, Ryabtsev, Vladimir
Published in Tunas Geografi (30.12.2023)

by Anggraini, Nabila, Pangaribuan, Booby, Siregar, Asri Patria, Sintampalam, Ghannes, Muhammad, Amri, Damanik, M Ridha Syafii, Rahmadi, M Taufik
Published in Jurnal Samudra Geografi (13.08.2021)