na INLIS000000000000678 20210614094535 0010-0621000143 ta 210614 g 0 ind 978-979-571-394-4 530.03 530.03 SAL e c.1 Agus Salam Ensiklopedia Fisika Listrik dan Magnet Jakarta : Ganeca Exact, 2007 44 ; 29.5 cm 2007/p/0006