Markja, I., Fraholli, M., Dhoska, K., Sita, E., Sakaj, E. and Elezi, D. (2021) “Performance Evaluation Analyses of Recycled Concrete in Albania by using Ultrasonic Pulse Velocity”, International Journal of Innovative Technology and Interdisciplinary Sciences, 4(4), pp. 784–791. doi: 10.15157/IJITIS.2021.4.4.784-791.