TRIANA, D. Mortar Geopolymer Fly Ash dan Karbon Aktif Cangkang Kelapa Sawit . ReTII, [S. l.], p. 459–465, 2024. Disponível em: https://sandbox.itny.ac.id/index.php/ReTII/article/view/5481. Acesso em: 20 jul. 2025.