Prof Yelkpieri, Daniel

. Yelkpieri, D. (2022). Principles of school supervision.(First edition). University of Cape Coast Press, Cape Coast. ISBN: 978-9988-3-4959-2

. Yelkpieri, D. and Tamanja, M.J.E. (2009). Fundamentals of educational research methods: All you need.(First edition). University of Education, Winneba Press, Winneba. ISBN 978 – 9988 – 54 – 570 – 3