?url_ver=Z39.88-2004&rft_id=10.1088%2F1757-899X%2F206%2F1%2F012067&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Shamsuddin&rft.au=Shamsuddin%2C+R.M.&rft.aufirst=R.M.&rft.issn=17578981&rft.date=2017&rft.title=Humic+acid+batteries+derived+from+vermicomposts+at+different+C%2FN+ratios&rft.genre=proceeding