G. APSANA et al. 2017. GREEN SYNTHESIS AND THERMO, OPTICAL PROPERTIES OF M2P2O7 [M= Ca AND Co] NANOPARTICLES. International Journal of Pharma and Bio Sciences. 8, 3 (Sep. 2017), 148–159. DOI:https://doi.org/10.22376/ijpbs.2017.8.3.p148-159.