Feasibility study on the road improvement project on the Pan-Philippine Highway (Philippines-Japan friendship Highway) : final report v. 6 Feasibility study on the road improvement project on the Pan-Philippine Highway (Philippines-Japan friendship Highway) : final report v. 6
Data source
National Diet Library Digital Collections
The NDL Digital Collections enables a user to search and view a variety of resources, collected and stored by the National Diet Library of Japan.
Last updated
June 3, 2026