Prasetyo P. Investigation of Structure and Magnetic Properties of Polycrystalline La0.7Ba0.21Ca0.09Mn1-xNixO3 (x=0.1, 0.2, 0.3) by Sol Gel Method. Indo. J. Chem. Env. [Internet]. 2021 May 19 [cited 2025 May 10];3(1):13-8. Available from: https://journal.uny.ac.id/index.php/ijoce/article/view/40817