PEMANFAAATAN PIROPILIT TERAKTIVASI ASAM SULFAT (H2SO4) SEBAGAI ADSORBEN PADA PROSES PENJERNIHAN PELUMAS BEKAS (UTILIZATION of ACTIVATED PIROPILIT BY SULFURIC ACIDS AS ADSORBEN at CLEARED USED LUBRICANT PROCESS)
DOI:
https://doi.org/10.26740/ujc.v1n2.p%25pDownloads
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