By Osman M.   El-Naggar A.H.   in Photosynthetica

ISSN:0300-3604|36|3|389-395

Springer Publishing Company ‎(1999)‎

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By Bakry A.M.   El-Naggar A.H.   in Thin Solid Films

ISSN:0040-6090|360|1|293-297

Elsevier‎(2000)‎

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By EL-Naggar A.H.   EL-Sheekh M.M.   in Environmental Pollution

ISSN:0269-7491|101|2|169-174

Elsevier‎(1998)‎

Access to resources Favorite 6.570089