na INLIS000000000012768 20251027092800 0010-0721008027 251027 g 0 eng 0-7534-0796-5 R.506.082 2 R.506.082 2 WEN q Wendy Madgwick Questions And Answers : Inventions London : Kingfisher Publishing, 2000 40 halaman : Ilustrasi [Warna] ; 27 cm. Teknologi Penemuan Baru 017673