Naushin, Nushrat, Sadi Md Shahriar, Oishy Roy, and Ahmed Sharif. 2020. “Modification in Structural, Morphological, Magnetic and Ferroelectric Properties of Calcium-Doped Bismuth Ferrite Nanoparticles”. Journal of Engineering Science 11 (1):123-31. https://doi.org/10.3329/jes.v11i1.49555.