Yulianto, Cita, Agus Setyawan, and Dody Irnawan. “PENGARUH PENAMBAHAN ABU SEKAM TERHADAP SIFAT MEKANIK BATU BATA MERAH”. JURNAL TEKNOSAINS KODEPENA 3, no. 1 (August 31, 2022): 31–41. Accessed October 10, 2025. http://www.jtk.kodepena.org/index.php/jtk/article/view/48.