SINGH YOGESH. (2012). SOFTWARE TESTING (1ST ED.). CAMBRIDGE UNIVERSITY PRESS.
Lua i Stíl Chicago (17ú heag.)SINGH YOGESH. SOFTWARE TESTING. 1ST ED. DELHI: CAMBRIDGE UNIVERSITY PRESS, 2012.
Lua MLA (9ú heag.)SINGH YOGESH. SOFTWARE TESTING. 1ST ED. CAMBRIDGE UNIVERSITY PRESS, 2012.
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