na INLIS000000000435198 ind 0010-0822002168 Ensiklopedia Sain G-O Mayasari Mayasari cet. 1 Bandung Indah Jaya Adipratama 2008 56 Hlm 978 979 24 1644 2 503 MAY e 503 03781/PJAT2/H/XII/17