Umali, C. B. (1987). A rural-rural interaction model: A model for regional planning in dualistic economies in crisis.
Cita Chicago (17th ed.)Umali, Cesar B. A Rural-rural Interaction Model: A Model for Regional Planning in Dualistic Economies in Crisis. 1987.
Cita MLA (9th ed.)Umali, Cesar B. A Rural-rural Interaction Model: A Model for Regional Planning in Dualistic Economies in Crisis. 1987.
Atenció: Aquestes cites poden no estar 100% correctes.