Penentuan rasio efektif campuran pigmen anti korosi seng Fosfat dan Amino Silane Treated Wollastonite pada formulasi cat Alkyd Terstirenasi = The determination of effective ratio between zinc phosphate and amino silane treated wollastonite anti-corrosion pigment in styrenated alkyd paint formulation - Sastra Anugraha, author (2012)