Industri ammonia di Sumatera Timur
By: oleh Joseph Hasudungan Siregar.
Published: 1966
Language: ind
Number of pages: 70
Subjects: Ammonia.; Nitrogen industries -- Indonesia -- Sumatera Utara.
Notes: Thesis (M.A.)--Universitas H.K.B.P. Nommensen.
Bibliography: leaf 68.
Typescript (carbon copy)
Vita.