Title: 90-yŏn kukche wŏnjajae kagyŏk chŏnmang e ttarŭn kungnae sanŏp chepʻum kagyŏk e ŭi pʻagŭp hyokwa punsŏk
First published: 1990
Subjects: Industrial Costs, Raw materials, Prices
LC classification: HC465.C7 C46 1990