@article{Ratri_Kusumastuti_Mahatmanti_2018, title={Immobilisasi Ion Logam Berat Ni2+ dan Cr3+ pada Geopolimer Berbasis Abu Layang dan Serat Daun Nanas}, volume={7}, url={https://journal.unnes.ac.id/sju/ijcs/article/view/21000}, DOI={10.15294/ijcs.v7i2.21000}, number={2}, journal={Indonesian Journal of Chemical Science}, author={Ratri, Irwandari and Kusumastuti, Ella and Mahatmanti, F}, year={2018}, month={Sep.}, pages={167-174}