S.Shihabudeen. A study of the effectiveness of programmed instruction in learning english as a second language by secondary school pupils.
استشهاد بنمط شيكاغوS.Shihabudeen. A Study of the Effectiveness of Programmed Instruction in Learning English as a Second Language by Secondary School Pupils.
MLA استشهادS.Shihabudeen. A Study of the Effectiveness of Programmed Instruction in Learning English as a Second Language by Secondary School Pupils.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.