The Effect of Semester Level on Information Literacy Self-Efficacy by Vocational School Students of Diponegoro University During the Online Learning PeriodIka Krismayani, Jumino, Yanuar Yoga Prasetyawan and Mecca ArfaE3S Web Conf., 359 (2022) 02022DOI: https://doi.org/10.1051/e3sconf/202235902022