فهرس المقالات near-surface cavities حرية الوصول المقاله صفحة الملخص نص كامل 1 - Near surface cavities mapping using integrated geophysical techniques: Case study of Gadwalian dam, North Pakistan Waqar Ahmad Khaista Rehman Muhammad Farooq Asghar Ali Tanveer Ahmed 10.30495/ijes.2022.1947113.1690