Trích dẫn APA

P Umadevi. (1982). Analysing the difficulties faced by techers in techinbg "New concepts" in 'Chemistry' to that VIII standard students.

Trích dẫn kiểu Chicago

P Umadevi. Analysing the Difficulties Faced by Techers in Techinbg "New Concepts" in 'Chemistry' to That VIII Standard Students. 1982.

Trích dẫn MLA

P Umadevi. Analysing the Difficulties Faced by Techers in Techinbg "New Concepts" in 'Chemistry' to That VIII Standard Students. 1982.

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