Amar, Tsulis Iq’bal Khairul, Alfia Magfirona, Dheaulhaq Rosadi, and Nabila Faisa Putri. “Optimizing the Use of Recycled Materials in Environmentally Friendly Concrete Block Production”. ASTONJADRO 14, no. 2 (May 13, 2025): 474–483. Accessed December 5, 2025. http://150.107.142.43/index.php/ASTONJADRO/article/view/17348.