Artikel Jurnal
Lumban Tobing, Sri Tampomas, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2009
UI - Tesis (Membership)
edited by David W. Rhind
GeoInformation International , 1997
Buku Teks
Lumban Tobing, Sri Tampomas, author
Universitas Indonesia, 2009
UI - Tesis (Membership)
Della Ayu Lestari, author
2018
UI - Tesis (Membership)