JPFA, E. 2018. Introduction, Author Guidelines, and Table of Contents JPFA Vol 8 No 1 June 2018. Jurnal Penelitian Fisika dan Aplikasinya (JPFA). 8, 1 (Jun. 2018), ii-vi. DOI:https://doi.org/10.26740/jpfa.v8n1.pii-vi.