The Potential of Laterite Soils Deposit South Sulawesi as a Precursor for Na-Poly (Ferro-Sialate) GeopolymersSubaer, Nursyamsih Amalia, Nurfadilla, Andi Riska, Sulfiana and Fitria Pebriyanti SanMATEC Web Conf., 97 (2017) 01014DOI: https://doi.org/10.1051/matecconf/20179701014