Iffat Abdul Tawab Khan, Qurrat-ul-Ain, and Zahida Tasneem Maqsood, trans. 2019. “Development of Gas Chromatographic Method With Electron Capture Detector for Determination of Some PCDDs in Wheat and Rice Grain Matrix”. Pakistan Journal of Analytical & Environmental Chemistry 20 (1): 01 – 10. https://doi.org/10.21743/pjaec/2019.06.01.