Alfauzan Yendra, Abdul Haris Salam. ANALYSIS AND DETERMINATION OF HARD LAYERS USING GEOELECTRIC METHODS FOR THE BASIS OF CONSTRUCTION OF NEW BUILDINGS AT THE BENGKALIS STATE POLYTECHNIC. akrabjuara [Internet]. 2025 Feb. 5 [cited 2025 Dec. 31];10(1):30-6. Available from: https://akrabjuara.com/index.php/akrabjuara/article/view/2337