Costos de los combustibles
Subtitle: estudio.
Contributors: Trujillo Paulson, Jorge.
Publisher: [s.n.
Published: 1987
Place of publication: Quito, Ecuador
Language: spa
Number of pages: 34
Subjects: Petroleum products -- Prices -- Ecuador.; Petroleum industry and trade -- Ecuador.
Notes: Cover title.
By Bismark Andrade and Jorge Trujillo Paulson.
"Abril 1987."