THE INFLUENCE OF THE PERLITE AS A SUBSTRATE FOR IMPROVING ON SOME WATER PROPERTIES ON THE FLUVIAL SOIL WITH AN APLICATION OF RETENTIONAL CURVES. JAPS [Internet]. 2018 Sep. 7 [cited 2026 Apr. 24];16(1):73-82. Available from: https://js.ugd.edu.mk/index.php/YFA/article/view/2350