Leontine Visser, Sejarah Pertanian dan Kebudayaan Sahu di Halmahera (History of Sahu Agriculture and Culture in Halmahera). Yogyakarta: Ombak, 2019, xii-324p. ISBN: 978-602-258-516-9.

The Sahu people lives in Halmahera, an island in eastern Indonesia which is not commonly considered as important, in terms of culture, politics or economy. Accepting a request from the Lembaga Ilmu Pengetahuan Indonesia (LIPI) and the Netherlands Organisation for Scientific Research (NOW-WOTRO) to study Halmahera, Leontine Visser lived two years with the Sahu in the northwestern part of the island from 1979 to early 1981. After her retirement she was able to visit the same villages again seve.