النتائج (
العربية) 1:
[نسخ]نسخ!
the workshop was on ''sustainable management of hydrological systems in arid and semi-arid regions''in the period from 11-15th may 2013 and prof.al-sayed al-khalek participate with a paper entitled;''integrate sustainable water resources management.
يجري ترجمتها، يرجى الانتظار ..
