na INLIS000000000019250 20211214113243 0010-1221000154 ta 211214 0 ind R 508 R 508 WIL p Willy Ley Pustaka Alam Life ; : Kutub / Willy Ley Cet. 1 Jakarta : Tira Pustaka, 1978. 192 hlm : Ilus ; 28 cm. SEJARAH ALAMIAH 033252(008208)/PU-KDR/HD/2014