2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/76111In this paper we establish a $q$-analogue of a congruence of Sun concerning the products of binomial coefficients modulo the square of a prime.9 pagesCombinatoricsNumber Theory11B65; 05A10; 05A30; 11A07A congruence involving products of $q$-binomial coefficientstext