Oli, Hari Bhakta, Rajan Timilsina, and Amar Prasad Yadav. 2017. “Fabrication and Characterization of Phthalic Acid Sensor for Detection of Lead (II) Ion”. Journal of Nepal Chemical Society 37 (December):90-94. https://doi.org/10.3126/jncs.v37i0.32166.