Wiranta, Pirman Jaka, Sri Agustin, and Lisa Trisnawati. “Analysis of The Compressive Strength of K 225 Concrete Using Palm Oil Shell Waste As A Particular Replacement of Coarse Aggregates High School Of Indragiri Rengat Technology”. Journal of Scientific Research, Education, and Technology (JSRET) 2, no. 1 (January 31, 2023): 220–229. Accessed February 10, 2026. https://jsret.knpub.com/index.php/jrest/article/view/63.