P Umadevi. (1982). Analysing the difficulties faced by techers in techinbg "New concepts" in 'Chemistry' to that VIII standard students.
استشهاد بنمط شيكاغوP Umadevi. Analysing the Difficulties Faced by Techers in Techinbg "New Concepts" in 'Chemistry' to That VIII Standard Students. 1982.
MLA استشهادP Umadevi. Analysing the Difficulties Faced by Techers in Techinbg "New Concepts" in 'Chemistry' to That VIII Standard Students. 1982.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.