Addad, D.; Kadi, K.; Harrath, N.; Boumaàza, S.; Chekhab, K.; Hamli, S.; Dib, D. The EFFECT OF EARTHWORM CASTS FROM A NATURAL MEADOW ON SOME SOIL PHYSICO-CHEMICAL CHARACTERISTICS AND LETTUCE GROWTH. J. Fundam. Appl. Sci. 2020, 12, 1125-1147.