Ulug’bek Bekov Safarovich (2023) “SUPERPLASTIFIKATOR TA’SIRIDA YUQORI MUSTAHKAMLI BOG‘LOVCHILAR OLISH”, Ustozlar uchun, 19(2), pp. 50–54. Available at: http://pedagoglar.uz/index.php/01/article/view/5683 (Accessed: 19 September 2024).