A. Z. Mubarok and S. V. J. Sembiring, “KARAKTERISTIK FISIK COOKIES PADA BERBAGAI RASIO TERIGU DENGAN TEPUNG UMBI DAHLIA DAN PENAMBAHAN MARGARIN [Physical Properties of Cookies Made from Different Ratio of Wheat with Dahlia Tuber Flours and Addition of Margarine]”, JTIHP, vol. 25, no. 2, pp. 90–97, Sep. 2020.