دراسة تجريبية على القوة الدينامية للحفر السائل الزيتي شاكر
ASA American School - asa-egypt. Learning for Life ASA is committed to a quality education which integrates updated teaching technologies into a student-centered learning environment that helps students become life-long learners, develop well-rounded characters, and acquire the knowledge and skills needed for preparing them to succeed in universities and careers of their cho in the 21st century.