Bisquera, W.F., Laniog, B.N., Olbinado, M.P. and Sarmago, R.V. 2003. Microstructural analysis of superconducting MgB2 prepared at different sintering temperature. Proceedings of the Samahang Pisika ng Pilipinas, 21(1), SPP-2003-PA-24. URL: https://proceedings.spp-online.org/article/view/SPP-2003-PA-24.