Butterfield, S., & Riding, R. (1990). Assessment and examination in the secondary school: A practical guide for teachers and trainers. Routledge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रButterfield, Sue, और Richard Riding. Assessment and Examination in the Secondary School: A Practical Guide for Teachers and Trainers. London: Routledge, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रButterfield, Sue, और Richard Riding. Assessment and Examination in the Secondary School: A Practical Guide for Teachers and Trainers. Routledge, 1990.
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