Dueñas, M.O.B., Magallanes, M.V.V. and Sarmago, R.V. 1999. Synthesis and cation exchange capacity of Al-substituted tobermorite prepared from 100% . Proceedings of the Samahang Pisika ng Pilipinas, 17(1), SPP-1999-MS-09. URL: https://proceedings.spp-online.org/article/view/SPP-1999-MS-09.