Book
total rows: 3
page: 1
records each page: 10

Kars Gua btugamping,sungai bawah tanah, dan mata air
author: Kusumayudha
isbn: 602-8227-27-8
publisher: Citra aji parama
date created: 2009

Gunung api aktif di indonesia
author: Kusumayudha
isbn: 978-979-1464-80-2
publisher: Citra aji parama
date created: 2009

Air permukaan : sungai, danau, dan rawa
author: Sari B. Kusumayudha
isbn: 602-8227-17-9
publisher: Citra aji parama
date created: 2009