Barron, A.E.; Ivers, K.S.: ¬The Internet and instruction : activities and ideas (1996)
0.03
0.025835283 = product of:
0.10334113 = sum of:
0.10334113 = product of:
0.20668226 = sum of:
0.20668226 = weight(_text_:instruction in 5414) [ClassicSimilarity], result of:
0.20668226 = score(doc=5414,freq=2.0), product of:
0.26266864 = queryWeight, product of:
5.934836 = idf(docFreq=317, maxDocs=44218)
0.04425879 = queryNorm
0.7868555 = fieldWeight in 5414, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.934836 = idf(docFreq=317, maxDocs=44218)
0.09375 = fieldNorm(doc=5414)
0.5 = coord(1/2)
0.25 = coord(1/4)
