“Comparative Analysis and Evaluation of the Conversion Formula for Rebound Number of Schmidt Hammer Test and Unconfined Compressive Strength Test – Case Study: Andesite Rock Slope in Graha Puspa, Lembang Fault”, Rud.-geol.-naft. zb., vol. 39, no. 1, pp. 45–54, Mar. 2024, doi: 10.17794/rgn.2024.1.5.