Mapping Groundwater Potential for Irrigation, by Geographical Information System and Remote Sensing Techniques: A Case Study of District Lower Dir, Pakistan oleh Abid Sarwar, Sajid Rashid Ahmad, Muhammad Ishaq Asif Rehmani, Muhammad Asif Javid, Shazia Gulzar, Muhammad Ahmad Shehzad, Javeed Shabbir Dar, Alaa Baazeem, Muhammad Aamir Iqbal, Muhammad Habib Ur Rahman, Milan Skalicky, Marian Brestic, Ayman EL Sabagh