Semaoen, M. I. Resource productivity on lowland rice farms in the Bicol River Basin, 1975, Philippines, 1979.
Cita Chicago (17th ed.)Semaoen, Mohamad Iksan. Resource Productivity on Lowland Rice Farms in the Bicol River Basin, 1975, Philippines, 1979.
Cita MLA (9th ed.)Semaoen, Mohamad Iksan. Resource Productivity on Lowland Rice Farms in the Bicol River Basin, 1975, Philippines, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.