Yaseen, M., M. Sajid, M. Z. Ullah, and G. Murtaza. “Textural Implications in Assessment of Physico-Mechanical Behaviour of Metavolcanic Rocks from Dir Upper, North Western Pakistan: Textural Implications in Assessment of Physico-Mechanical Behaviour of Metavolcanic Rocks from Dir Upper, North Western Pakistan”. International Journal of Economic and Environmental Geology, vol. 11, no. 3, Sept. 2020, pp. 1-10, http://econ-environ-geol.org/index.php/ojs/article/view/266.