00569nam a22001457a 450000500170000002000180001710000280003524501680006326000400023130000120027149000460028350000580032965000130038765000230040020250814151052.0  a9798886130362  aGeretschläger, Robert  aEngaging young students in mathematics through competitions bworld perspectives and practices Vol. IIIcKeeping competition mathematics engaging in pandemic times  aSingapore bWorld scientific c2024  axxv+316  aProblem solving in mathematics and beyond  aProblem solving in mathematics and beyond - Volume 31  aPuzzles   aCompetitive exams