GUPTA PRERNA & GUPTA, V. (2019). SOARING HIGHER AND HIGHER IN MATHEMATICS - GRADE 2. PROGRESS PUBLISHERS.
Chicago-čujuhus (17. p.)GUPTA PRERNA & GUPTA, VIJAY. SOARING HIGHER AND HIGHER IN MATHEMATICS - GRADE 2. DELHI: PROGRESS PUBLISHERS, 2019.
MLA-čujuhus (9. p.)GUPTA PRERNA & GUPTA, VIJAY. SOARING HIGHER AND HIGHER IN MATHEMATICS - GRADE 2. PROGRESS PUBLISHERS, 2019.
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