Range:
Subjects: Adsorption; Egypt; Heavy minerals; Pollution; Waste water
Subjects: Agricultural enterprises; Algeria; Food products; Organic agriculture; Sustainable development
Subjects: Agricultural sector; Algeria; Economic growth; Industries
Subjects: Open spaces; Social participation
Subjects: Algeria; Merchant ships; Sailors; Woman
Subjects: English language; Harbours; Mostaganem; Oral communication; Water security