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De conspectu vitæ socialis historico dissertationis philosophicæ particulam secundam... præside mag. El. Christoph. Grenander... pp Johannes Lundblad Vestrogothus. In audit. Gust. die XV maji MDCCCXIX., P. 2
Evaluasi Efektifitas Infrastruktur Pembasahan Gambut (IPG) Berupa Sekat Kanal untuk Optimalisasi Pembasahan Pada Lahan Gambut (Studi Kasus: Kelurahan Teluk Makmur, Kota Dumai)