SSpelling taught by machineSpelling taught by machinede Douglas Porter, Harvard University. Graduate School of EducationMateriasTeaching machinesEnglish languageOrthography and spellingPsychology of LearningEdiciones (1)Spelling taught by machine (1961)inglésMás obras de Douglas PorterDDevelopment Beyond Neoliberalism?Development Beyond Neoliberalism?MMastering a, AnMastering a, AnTen Greatest Revivals Ever
