Singh, R. (2019). Electrical Workshop: Safety, Commissioning, Maintenance & Testing of Electrical Equipment (03rd.). I.K. International Publishing House Pvt.Ltd.
Lua i Stíl Chicago (17ú heag.)Singh, R.P. Electrical Workshop: Safety, Commissioning, Maintenance & Testing of Electrical Equipment. 03rd. New Delhi: I.K. International Publishing House Pvt.Ltd, 2019.
Lua MLA (9ú heag.)Singh, R.P. Electrical Workshop: Safety, Commissioning, Maintenance & Testing of Electrical Equipment. 03rd. I.K. International Publishing House Pvt.Ltd, 2019.
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