المؤلفون: Izham, M Y, Aznarahayu, R, Nurul Azni, M A, Norashila, M N

المصدر: IOP Conference Series: Earth and Environmental Science ; volume 380, issue 1, page 012005 ; ISSN 1755-1307 1755-1315

الاتاحة: http://dx.doi.org/10.1088/1755-1315/380/1/012005
https://iopscience.iop.org/article/10.1088/1755-1315/380/1/012005/pdf
https://iopscience.iop.org/article/10.1088/1755-1315/380/1/012005