Gupta, R <br/><br/>
Civil services exam & Indian forest service exam : common preliminary examination - Paper I 

 - New Delhi  Ramesh Publishing House  2018 
<br/><br/><label>ISBN: </label>9789350120392 
<br/><br/><label>Subjects--Index Terms: </label>Environmental Ecology  Biodiversity and climate change  History  Indian Polity  World Geography  Indian Geography  Indian Economy  General Science  Scientific Development