K.A. Wahid1, Z. Puteh , M. Sayuti, Wan Muhamad W.M., M.A.S.M. Hanif, Wan M. Khairul. 2020. “ Formulation of Polymer Solution PVP (Polyvinylpyrrolidone) by Optimizing the Molarity Parameter for Inkjet Printer Application”. International Journal of Advanced Science and Technology 29 (8s), 4445-53. http://sersc.org/journals/index.php/IJAST/article/view/25497.