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Volume 07, Issue 01, June 2014 1.          Investigation of Shear Strength Parameters of Highwall Rock Slopes and Overburden Dump Mass in Opencast Coal Mines                         Abstract  ![]() 2.          An Experimentation Work on Sn-ZnO using Sol-gel and Characterization using XRD and AFM Patterns                         Abstract  ![]() 3.          Deposition and Characterization of ZnO Thin Film using Sol-Gel Spin Coating Approach                         Abstract  ![]() |