HS – Energy Development Services

Book 1

“Economics: New Horizons, Shifting the Paradigm”, H.H.Safwat and I.M.Oweiss, Book ISBN 1-891231-71-5, published by Word Association, 2002.

Book 2

“Business Economics Knowledge & Energy”, H.H.Safwat, Book ISBN                     , Published by Word Association, 2022.