“Petrography of the Nahan Formation Exposed in the Type Area Nahan and Adjoining Regions in Northwestern Himalaya, India: A Petrographical Analysis of the Middle Miocene Nahan Formation in Northwestern Himalaya, India”. Journal of Advances and Scholarly Researches in Allied Education, vol. 12, no. 2, Jan. 2017, pp. 151-5, https://ignited.in/index.php/jasrae/article/view/6224.