Continental Drift Hypothesis and Plate Tectonics: Concept and validation
- Course Material -06 ফাইল 16.9এমবি Powerpoint 2007 presentation Uploaded 5/04/20, 08:52
by Dr. Prakash Karmakar, Department of Botany, Vidyasagar University
by Dr. Prakash Karmakar, Department of Botany, Vidyasagar University