by Hamid, Abubakr Mahmoud, Hassan, Hassan Wardi, Osman, Fatima Ahmed
Published in Asian Journal of Physical and Chemical Sciences (17.09.2019)

by Hamid, Abubakr Mahmoud, Hassan, Hassan Wardi, Osman, Fatima Ahmed
Published in Physical science international journal (13.09.2019)

by SLOETJES, W, HAVERHALS, J, HASSAN WARDI HASSAN, KERKDIJK, K, IMAN OSMAN AHMED, HISHAM SABER, SHOMMO SHAA ELDIN, PORSIUS, R, STOLK, A, EL ASHA EL KARIB, KAHIL YOUSIF
Published in Solar energy (1988)

by Sloetjes, Wim, Haverhals, Jaap, Kerkdijk, Kees, Ahmed, Iman Osman, Saber, Hisham, Eldin, Shommo Shaa, Porsius, Rob, Stolk, Ad, Karib, Asha El, Yousif, Kahil, Hassan, Hassan Wardi
Published in Solar energy (1988)

by PETER VERNEY, RICHARD TRILLO + 11 STAFF, PETER GABRIEL, JUDITH VIDAL-HALL, LOIS DARLINGTON + 7 STAFF, ABDEK SALAAM HASSAN, MOHAMED WARDI, ROD LEITH, PATRICK SMITH, AND 46 OTHERS
Published in The Guardian (London) (26.11.1994)