Tape cassettes or CDs are better. CDs are for ones who have CD players, but I don’t have one. So tape cassettes are better for me.” (OEQ 3.3.2)
Sak indicated his choice,
“Besides attending a course, tape cassettes with lessons should be given out. Do you think it’s a good idea? For some of us, our time is money. We have no time to attend the course. We can study from the cassette during working