المؤلفون: Arbit, N I S, Omar, S B A, Soekendarsi, E, Yasir, I, Tresnati, J, Mutmainnah, Tuwo, A

المصدر: IOP Conference Series: Earth and Environmental Science ; volume 370, issue 1, page 012018 ; ISSN 1755-1307 1755-1315

الإتاحة: https://doi.org/10.1088/1755-1315/370/1/012018Test

المؤلفون: Carong, S R, Atjo, A A, Arbit, N I S, Saru, A, Omar, S B A

المصدر: IOP Conference Series: Earth and Environmental Science ; volume 280, issue 1, page 012009 ; ISSN 1755-1307 1755-1315

الإتاحة: https://doi.org/10.1088/1755-1315/280/1/012009Test