Hayami, Y., Rice harvesting systems in Central Luzon and Laguna revisited / Y. Hayami, E.B. Marciano, and L.M. Bambo - 15 pages : Illustrations ; 28 cm - IRRI research paper series no. 133 . ISSN: 01153862 Subjects--Topical Terms: Rice--Harvesting--Philippines--LuzonRice--Harvesting--Philippines--LagunaRice--HarvestingHarvesting machinery--Philippines LC Class. No.: SB191 / R53