00538nam 2200193zu 450 991098788890332120250323112910.02541-3392(CKB)38002245800041(EXLCZ)993800224580004120250323|uuuuuuuu || |engur|||||||||||Spektra: Jurnal Fisika dan AplikasinyaLPPM Universitas Negeri JakartaIndonesiaBOOK9910987888903321Spektra: Jurnal Fisika dan Aplikasinya4343722UNINA