What has the author Sophia Petrou written?

Peter Elias Sotiriou has written:

'Steps to reading proficiency' -- subject(s): Aids and devices, Reading, Reading (Higher education), Reading comprehension, Speed reading

'Integrating college study skills' -- subject(s): Study skills, Language arts (Higher), Higher Education, internet in education, Computer-assisted instruction

'Instructor's resource manual for Integrating college study skills'