TY - UNPB PB - uhamka ID - repository40080 UR - http://repository.uhamka.ac.id/id/eprint/40080/ N1 - Unpublished TI - ARTIKEL_The effectiveness of the ring electromagnetic accelerator on students' understanding of the Lorentz force concept based on prophecy A1 - Imas Ratna Ermawati, IRE AV - public ER -