SUCIYATI, S. W., JUNAIDI, J., SITUMEANG, R. . and MANURUNG, P. . (2024) “Nano-ZnO prepared by using chaya and mango leaves extract for photocatalyst of methylene blue”, Journal of Metals, Materials and Minerals. Bangkok, Thailand, 34(1), p. 1848. doi: 10.55713/jmmm.v34i1.1848.