Machmudah, S., Wahyudiono, W., Kanda, H. and Goto, M. 2016. Synthesis of Polyhedral Magnetite Particles by Hydrothermal Process under High Pressure Condition. Journal of Engineering and Technological Sciences. 48, 6 (Dec. 2016), 753-771. DOI:https://doi.org/10.5614/j.eng.technol.sci.2016.48.6.8.