Salim Abed, F. and Abbas, L.K. 2024. Europium-Subsituted Bismuth-Based Superconductors: Structural and Thermal Analysis via Chemical Sol-Gel Synthesis. Science and Technology Indonesia. 9, 3 (Jun. 2024), 621–628. DOI:https://doi.org/10.26554/sti.2024.9.3.621-628.