The Validity of the Internalized Argumentation Skills Test for Chemistry Students Suyono Suyono, Nasrurdin Harun, Yonata Bertha, Savira Wardani Duhita and Intan Kumala Dewi Anggita E3S Web Conf., 328 (2021) 06008 Published online: 06 December 2021 DOI: 10.1051/e3sconf/202132806008