Manisha Chaudhary and Joydip Dhar and Govind Prasad Sahu, Mathematical Model of Depletion of Forestry Resource: Effect of Synthetic Based Industries. journal = {International Journal of Biological and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology. September 2013, vol. 76(4). 639 - 643 [viewed 21 September 2024]. Available from: https://publications.waset.org/pdf/16903.