Putra, A.A. Made, W. G. Suharta, & P. Suardana. " Effect of Silver (Ag) Addition on the Forming Of Y-247 Superconductors (Y2Ba4Cu7O15-?) using Wet Mixing Method." BULETIN FISIKA [Online], 20.1 (2019): 11-18. Web. 23 Feb. 2025