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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Priyanshu kumar Best Answer
https://drive.google.com/file/d/1r7-Yp-soMT0e-yTWGU0Lu_PCyox-HC4o/view?usp=drivesdk see chapter 10,11,12,13,14 and 20