Synthesis and characterization of porous CaCO3 micro/nano-particlesA. Achour, A. Arman, M. Islam, A. A. Zavarian, A. Basim Al-Zubaidi and J. SzadeEur. Phys. J. Plus, 132 6 (2017) 267DOI: https://doi.org/10.1140/epjp/i2017-11531-8