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1、PracticalResearchPLANNINGANDDESIGNNINTHEDITIONPaulD.LeedyLateofAmericanUniversityJeanneEllisOrmrodUniversityofNorthernColorado(Emerita)UniversityofNewHampshirePearsonBostonColumbusIndianapolisNewYorkSanFranciscoUpperSaddleRiverAmsterdamCapeTownDubaiLondonMadridMilanMunichPari
2、sMontrealTorontoDelhiMexicoCitySãoPauloSydneyHongKongSeoulSingaporeTaipeiTokyoISBN:0-558-65200-XPracticalResearch:PlanningandDesign,NinthEdition,byPaulD.LeedyandJeanneEllisOrmrod.PublishedbyMerrill.Copyright©2010byPearsonEducation,Inc.VicePresidentandEditorinChief:JefferyW.Jo
3、hnstonPublisher:KevinM.DavisDevelopmentEditor:ChristinaRobbEditorialAssistant:LaurenCarlsonVicePresident,DirectorofSalesandMarketing:QuinnPerksonMarketingManager:JaredBruecknerMarketingAssistant:BrianMountsSeniorManagingEditor:PamelaD.BennettSeniorProjectManager:MaryHarlanSen
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