1.
Құлбек М, Джаксигельдинова Э. DETERMINATION AND STUDY OF THE VOLUME AND DENSITY OF COMPLEX POROUS SAMPLES . Phys-Math [Internet]. 2021Mar.29 [cited 2024Nov.22];73(1):110-3. Available from: https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/269