L. Rohman, A. Arkundato, I. Sugihartono, and B. Kurniawan. “STUDI KARAKTERISTIK FEROMAGNETIK MODEL HEISENBERG SPIN 1 2 ID MENGGUNAKAN ANSATZ BETHE I”. Jurnal Sains Materi Indonesia 5, no. 1 (October 31, 2003): 64–68. Accessed November 15, 2026. https://ejournal.brin.go.id/jsmi/article/view/6896.