Alok Malviya. “Control Ecological Model for the Survival of Biological Species Which Are Directly Affected by Pollutants Emitted from External Sources: A Qualitative Approach”. Journal of International Academy of Physical Sciences 19, no. 2 (June 15, 2015): 81–101. Accessed May 19, 2024. https://www.iaps.org.in/journal/index.php/journaliaps/article/view/346.