Shamshad Ali, et al. , translators. “Colorimetric Sensor for Detection of Adulteration in Gasoline Using Polydiacetylene Electrospun Fibers”. Pakistan Journal of Analytical & Environmental Chemistry, vol. 17, no. 1, Jan. 2016, pp. 38 – 42, https://doi.org/10.21743/pjaec/2016.06.006.