Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/54548
Title: Puzzle Corner
Issue Date: Jul-2020
Publisher: NISCAIR-CSIR, India
Page(s): 52-53
URI: http://nopr.niscair.res.in/handle/123456789/54548
ISSN: 0036-8512
Appears in Collections:SR Vol.57(07) [July 2020]

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