00581nam a22001697a 450000500170000001000150001702000260003203500140005803700090007208200080008110000170008924501170010626000420022327000980026530000210036370000270038420220208112213.0  aENG-131457  a9789388478847c445.00  aEN-114989  bDBAD  a510  aSingh, Kunal  aProblem Primer for the Pre-Regional Mathematical Olympiad:bEnlarged Edition/cKunal Singh, Kali Prasad Tripathy  aBengualurubPrism Books Pvt Ltdc2020  a#1865,32nd Cross ,10thMain,Banashankari II StagebBengalurue560070mlogistics@prismbooks.com  a403p.c22cm(pbk)  aTripathy, Kapil Prasad