Tohutoro APA (7th ed.)
BHEL. (2012). Electrical engineering engineers trainees recruitment exam study guide. G.K.Publications.
Tohutoru Kātū Chicago (17th ed.)
BHEL. Electrical Engineering Engineers Trainees Recruitment Exam Study Guide. Noida: G.K.Publications, 2012.
Tohutoro MLA (9th ed.)
BHEL. Electrical Engineering Engineers Trainees Recruitment Exam Study Guide. G.K.Publications, 2012.
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