Intra-National, Intra-Continental, and Intra-Planetary PPP
| Image |  |
|---|---|
| Description | |
| Author/s |
author: Charles Engel John Harold Rogers |
| Publication date | June 1997 |
| Language | English |
| Country of origin | |
| Wikipedia link | |
| Access work |
https://www.nber.org/system/files/working_papers/w6069/w6069.pdf |
| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |