WG Suharta, IK Giri Nata, IG Antha Kasmawan, S Poniman, and GN Sutapa, “THE EFFECT OF SINTERING TEMPERATURE AND MIXING TREATMENT ON CRYSTAL STRUCTURE AND MAGNETIC PROPERTIES OF Y-358 SUPERCONDUCTORS”, INTERNATIONAL JOURNAL OF GEOMATE, vol. 15, no. 50, pp. 149–154, Apr. 2018.