Cevallos Saá, J. J. (2019). Perceptions students and teachers from modules 7 and modules 8 have towards the textbook english for accounting and administration students at the School of Business Administration of an Ecuadorian Higher Education Institution.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cevallos Saá, Jorge Jimmy. Perceptions Students and Teachers from Modules 7 and Modules 8 Have Towards the Textbook English for Accounting and Administration Students at the School of Business Administration of an Ecuadorian Higher Education Institution. 2019.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Cevallos Saá, Jorge Jimmy. Perceptions Students and Teachers from Modules 7 and Modules 8 Have Towards the Textbook English for Accounting and Administration Students at the School of Business Administration of an Ecuadorian Higher Education Institution. 2019.