Markja, Irida, Mentor Fraholli, Klodian Dhoska, Ermil Sita, Enxhuina Sakaj, and Dervish Elezi. “Performance Evaluation Analyses of Recycled Concrete in Albania by Using Ultrasonic Pulse Velocity”. International Journal of Innovative Technology and Interdisciplinary Sciences 4, no. 4 (November 24, 2021): 784–791. Accessed May 2, 2024. https://journals.tultech.eu/index.php/ijitis/article/view/78.