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Punjab Textbook Board, . (1999). Tubiaat. For 9Th-10Th (Physics). Punjab Textbook Board: .
Punjab Textbook Board, . 1999. Tubiaat. For 9Th-10Th (Physics). Punjab Textbook Board: .
Punjab Textbook Board, . Tubiaat. For 9Th-10Th (Physics). Punjab Textbook Board: . 1999.