Mahyudin, Alimin, and Meri Darmawi. 2015. “OPTIMALISASI PENAMBAHAN SERAT IJUK TERHADAP SIFAT MEKANIK PAPAN SEMEN-GIPSUM”. PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) 4 (October), SNF2015-VII. http://103.8.12.212:33180/unj/index.php/prosidingsnf/article/view/5197.