na INLIS000000000075775 ind 0010-0923000229 Ensiklopedia Pertamaku Ayo Lindungi Bumi Kita Emilie Beaumont Emilie Beaumont Cet. 2 Jakarta : Bhuana Ilmu Populer, 2018 32 hlm. : 19.5 cm 978-602-455-344-9 550 EMI e 550 Bumi GND00002465