Ispal, A. (2016). Learning progression of energy in secondary school physics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIspal, Azlinah. Learning Progression of Energy in Secondary School Physics. 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIspal, Azlinah. Learning Progression of Energy in Secondary School Physics. 2016.
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