"ଗନ୍ଧକ" ପୃଷ୍ଠାର ସଂସ୍କରଣଗୁଡ଼ିକ ମଧ୍ୟରେ ତଫାତ
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୩୭ କ ଧାଡ଼ି:
* [http://extoxnet.orst.edu/pips/sulfur.htm Sulfur and its use as a pesticide]
* [http://www.sulphurinstitute.org/ The Sulphur Institute]
* http://www.freshney.org
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