Prasetyo, I. J. ., Rifai, H. ., Syafriani, S., & Putra, R. . (2022). Morphological Characteristics and Elemental Composition of Magnetic Minerals from the Volcanic Activity of Lake Maninjau Sediments. Trends in Sciences, 19(8), 3428. https://doi.org/10.48048/tis.2022.3428