Wednesday, February 7, 2018

សៀវភៅដំណោះស្រាយលំហាត់ Chemistry Raymond Chang 10th edition











ចុចទីនេះដើម្បីទាញយកឯកសារ

2 comments:

  1. https://archive.org/stream/Chemistry_10th_Edition_Raymond_Chang#page/n0/mode/2up
    សៀវភៅគោល

    ReplyDelete
  2. បាទអរគុណលោកគ្រូ
    ខ្ញុំក៏មានសៀវភៅគោលដែរ

    ReplyDelete