Perc Marland

Thinking while Studying: A Process Tracing Study of Distance Learners

Perc Marland, P. Marland, 1992 .

Towards More Effective Open and Distance Learning Teaching

Perc Marland, 1997 .

An approach to research on distance learning

Perc Marland, 1989, Br. J. Educ. Technol..