The Validity of the Internalized Argumentation Skills Test for Chemistry StudentsSuyono Suyono, Nasrurdin Harun, Yonata Bertha, Savira Wardani Duhita and Intan Kumala Dewi AnggitaE3S Web Conf., 328 (2021) 06008DOI: https://doi.org/10.1051/e3sconf/202132806008