ROUT3, SANDEEP. 2018. “2. ASSESSING SOIL PHYSICO-CHEMICAL STATUS OF SAHASTRADHARA LIMESTONE MINE AREA, DOON VALLEY, SHIVALIK HIMALAYAS by MAYANK DUBEY1, PRAMOD KUMAR2, SHAHIDA PARVEEN3,SANDEEP ROUT3 AND SITANSHU SEKHAR PATRA4”. INTERNATIONAL RESEARCH JOURNAL OF CHEMISTRY 23 (October):10 to 17. https://petsd.org/ojs/index.php/irjc/article/view/1350.