Kurniawan, Stephanus Danny, and Harwin Saptoadi. 2016. “PENGARUH MASSA KATALIS ZEOLIT ALAM PADA PROSES PIROLISIS LIMBAH PLASTIK LOW DENSITY POLYETHYLENE (LDPE)”. JURNAL TEKNOLOGI TECHNOSCIENTIA 9 (1):81-85. https://doi.org/10.34151/technoscientia.v9i1.153.