https://opac.ru.ac.bd/cgi-bin/koha/opac-search.pl?q=ccl=an%3A5068&sort_by=relevance&format=rss 4 0 100 ISBN:0390812803 https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=1533 ]]> By Skinner, B. F..
New York : Appleton-Century-Crofts, 1969 .
xv, 319 p. ; 22 cm..
0390812803

]]> Place hold on Contingencies of reinforcement :

]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=1533 ISBN:0416827802 | 041682790X https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=30133 ]]> By Walker, Stephen,.
London : Methuen, 1975 .
144 p. : 19 cm..
0416827802 | 041682790X

]]> Place hold on Learning and reinforcement /

]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=30133 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=31293 New York : Van Nostrand, 1961 .
230 p. : 18 cm..

]]> Place hold on Reinforcement :

]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=31293 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=80464 By Clemen, Wolfgang..
London : Methuen, 1951 .
xii, 236 p. ; 22 cm..

]]> Place hold on The development of Shakespeare's imagery /

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