Choi, W. ., Kang, D. ., Na, S. ., Park, C. ., Gokdemir, F. ., & Moon, T. . (2018). Sequentially Vapor-Grown Hybrid Perovskite for Planar Heterojunction Solar Cells. Nanoscale Research Letters, 13(1), 9. https://doi.org/10.1186/s11671-017-2401-5 (Original work published 2018)

Zheng, Q. ., Na, S. ., Li, X. ., Li, N. ., Hai, R. ., & Wang, X. . (2018). Acute effects of hexavalent chromium on the performance and microbial community of activated sludge in aerobiotic reactors. Environmental Technology, 1-30. https://doi.org/10.1080/09593330.2018.1432695 (Original work published 2018)