00620nam a22001577a 4500082001300000100002300013245008800036260006200124300002600186500004400212650006100256700002700317942000700344999001700351952009400368  a540bRIK  aRikza Zahid910705  aExtraction and Characterzation of Humic Substances from Indiginous Coal Resources /  aFaisalabad:bM.Phil ; Chemistry (2015-GCWUF-0199),c2017.  av. 84 p. :bHB; 30cm.  aInclude Index and bibliography p. 81-84  aChemistryv Characterization of Hemic Substances 912092  aDr. Kiran Aftab910647  cTH  c14497d14497  001040708THaPAKbPAKcTHd2024-07-15l0o540 RIKr2023-10-25 00:00:00w2023-10-25yTH