Bangladesh Journal of Physics, E. 2020. INVESTIGATION OF THE PRESENCE OF CHROMIUM (Cr) IN THE POULTRY FEED, CHICKEN MEAT AND EGG IN BANGLADESH USING LASER INDUCED BREAKDOWN SPECTROSCOPY TECHNIQUE: N. ASHRAFI, ISHTIAQUE. M. SYED, M. WAHADOSZAMEN. Bangladesh Journal of Physics. 27, 2 (Nov. 2020), 71–80. DOI:https://doi.org/10.3126/bjphy.v27i2.78394.