Radonjanin, Vlastimir, Mirjana Malešev, Gordana Broćeta, and Milka Grabež. 2013. “Regulations in the Field of Recycled Aggregate”. AGG+ Journal for Architecture, Civil Engineering, Geodesy and Related Scientific Fields 1 (1):378-91. https://doisrpska.nub.rs/index.php/aggplus/article/view/1434.