TO‘PLAM HAQIDA TUSHUNCHA. BO‘SH VA QISM TO‘PLAMLAR. CHEKLI VA CHEKSIZ TO‘PLAMLAR. journal [Internet]. 2026 Jun. 22 [cited 2026 Aug. 1];96(1):77-81. Available from: https://alpharesearchs.com/index.php/obr/article/view/2956