W.J. Waworoentoe
Living environment, human habitat and settlements in north sulawesi / W.J. Waworoentoe
1995
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Lobel, Jason William
Vowel fronting, raising, and backing in Luzon and North-Central Sulawesi
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2021
 Artikel Jurnal
Gunawan Setiadi
Optimasi logistik LNG pada Pembangkit Listrik Tenaga Gas di Sulawesi Utara, Sulawesi Tengah dan Gorontalo = Optimization of LNG logistics at Gas Power Plant in North Sulawesi, Central Sulawesi and Gorontalo
Fakultas Teknik Universitas Indonesia, 2019
 UI - Tesis Membership
S. Bachri
Structural pattern and stress system evolution during neogene - pleistocene times in the central part of the north arm of Sulawesi
Pusat Survai geologi Bandung, 2011
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Jones, Gavin W.
The population of North Sulawesi
Gajah Mada University Press, 1977
 Buku Teks