Title: Problems of groundwater development in the Sana’a basin, Yemen Arab Republic
Improvements of Methods of long Term Prediction of Variations in Groundwater Resources and Regimes Due to Human Activity (Proceedings of the Exeter Symposium, July 1982).
Published by: IAHS

Title: Groundwater development in the Tihama coastal plain
By: G.V. Smith, Senior Hydrogeologist, DHV Consulting Engineers, and Y. A. AI-Mooji. Head of Hydrology Section. Tihama Development Authority, Hodeidah.

Title: Introduction to Groundwater Development and Management (presentation)
Short Course at Water & Environment Centre, Sana‘a
By: Prof. Dr. Michael Schneider
Freie Universitat

Title: Judicious Management of Groundwater Through Participatory Hydrology Monitoring 

Title: Groundwater Resources of the World and Their Use
Author: UNESCO
Year: 2004

Title: Geol 220: Groundwater Hydrology
Year: 2002

Title: Local Groundwater Regulation: Water Praxis Document Nr. 14
Author: Frank van Steenbergen

Title: Computation of Average Rainfall over a Basin

Title: Introduction to Hydrology
Author: Dr. Abdulla Noaman

Title: Rainfall Runoff Relationship, Catchment Yield Estimation