“Chemical Fertilization, Agricultural Gypsum and Its Effect on the Production of Yerba Mate (Ilex Paraguariensis St. Hil.)”. Journal on studies and research of academic knowledge, no. 18 (June 3, 2024): e2024007. Accessed October 20, 2025. https://revistas.uni.edu.py/index.php/rseisa/article/view/572.