Sufriadin, Sufriadin and S Widodo, S Widodo and I Nur, I Nur and A Ilyas, A Ilyas and M Y Ashari, M Y Ashari (2020) Extraction of Nickel and Cobalt from Sulawesi Limonite Ore in Nitric Acid Solution at Atmospheric Pressure. IOP Conf. Series: Materials Science and Engineering 875.
Sufriadin, Sufriadin and S Widodo, S Widodo and M Thamrin, M Thamrin and A Maulana, A Maulana and A Ito, A Ito and T Otake, T Otake (2020) The nature of ultramafic rocks from Sulawesi, Indonesia and their suitability for CO2 sequestration. IOP Conf. Series: Earth and Environmental Science.