Page 1 Alhassan Tijani Forgori DOI: https://doi.org/10.24115/S2446-6220202171707p.221-228 https://orcid.org/0000-0001-6175-5165Page 2 •Page 3 • http://apps.webofknowledge.com/OutboundService.do?SID=F2aqYYlPXF8E9Z4tLji&mode=rrcAuthorRecordService&action=go&product=WOS&lang=ru_RU&daisIds=5019587 http://apps.webofknowledge.com/OutboundService.do?SID=F2aqYYlPXF8E9Z4tLji&mode=rrcAuthorRecordService&action=go&product=WOS&lang=ru_RU&daisIds=36964873Page 4 •Page 5 •Page 6 •Page 7 • https://www.gla.ac.uk/t4/learningandteaching/files/PGCTHE/BlackandWiliam1998.pdf http://www.ascd.org/ASCD/pdf/journals/ed_lead/el_198405_bloom.pdf https://dspace.stir.ac.uk/bitstream/1893/19607/1/SysRevImpSummativeAssessment2002.pdf https://core.ac.uk/download/pdf/25833926.pdf https://www.jstor.org/stable/40364708?seq=1Page 8 • https://www.sciencedirect.com/science/article/pii/S0378216618300614 http://apps.webofknowledge.com/OutboundService.do?SID=F2aqYYlPXF8E9Z4tLji&mode=rrcAuthorRecordService&action=go&product=WOS&lang=ru_RU&daisIds=5019587 http://apps.webofknowledge.com/OutboundService.do?SID=F2aqYYlPXF8E9Z4tLji&mode=rrcAuthorRecordService&action=go&product=WOS&lang=ru_RU&daisIds=36964873 https://library.iated.org/view/MALYUGA2016TEA https://www.mdpi.com/2076-0760/9/4/53/pdf https://rudn.tlcjournal.org/archive/4(4)/4(4)-04.pdf https://rudn.tlcjournal.org/archive/4(4)/4(4).pdf mailto:atijaniforgor@yahoo.com