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Hastuti, Erna ORCID: https://orcid.org/0000-0002-2521-9258, Agustin, W. R and Yuliana, I (2020) Effect of doping Fe3+ and Cu2+ on the microstructure and electrical properties of cryptomelane-type MnO2 prepared by sol-gel method. Presented at 10th International Conference on Green Technology (ICGT), 2-3 October 2019, Malang, Indonesia.
Yanti, D.R, Hikmah, U, Prasetyo, Anton and Hastuti, Erna (2020) The effect of microwave irradiation on reduced graphene oxide from coconut shells. Presented at 10th International Conference on Green Technology (ICGT), 2-3 October 2019, UIN Maulana Malik Ibrahim Malang, Indonesia.
Yanti, D.R., Hikmah, Utiya, Prasetyo, Anton and Hastuti, Erna (2020) The effect of microwave irradiation on reduced graphene oxide from coconut shells. Presented at The 10th International Conference on Green Technology (ICGT) "Empowering the Fourth Industrial Revolution through Green Science and Technology", 2-3 October 2019, Malang, Indonesia.