GUL, Sema Gil, Astri K Gil, Cumhur Sertkan, Ayse Vidiayanti, Anita Nurhadi Saktyowati, DianOky Balas, Oguz Gelik,Murat text Bogor Yudhistira 2007 ind Judul asli:Dogal Bencana alam URN:ISBN:978-979-019-020-7