求《Periodic markets in southern Ethiopia》，RT Jackson
[size=1.5em]《The rationale of periodic markets。。》
《The topology of rural periodic market systems》
《Periodic markets and rural development in India》
《The spatial structure of rural northern Nigeria: farmers, periodic markets, and villages》
《Periodic markets, daily markets and fairs: a bibliography》
《Periodic markets: an economic location analysis》
《Periodic markets and traveling traders in Uganda》
《PERIODIC MARKETS: COMMENTS ON SPATIAL‐TEMPORAL RELATIONSHIPS》