JAIN VIJAY K. (1995). O LEVEL MODULE IV SECTION B PROBLEM SOLVING ........... BPB PUBLICATIONS.
Chicago-čujuhus (17. p.)JAIN VIJAY K. O LEVEL MODULE IV SECTION B PROBLEM SOLVING ........... NEW DELHI: BPB PUBLICATIONS, 1995.
MLA-čujuhus (9. p.)JAIN VIJAY K. O LEVEL MODULE IV SECTION B PROBLEM SOLVING ........... BPB PUBLICATIONS, 1995.
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