A.R. Chavan, et al. “Potassium Fractions Distribution and Their Variation in Soils of Mango Research Sub-Centre, Rameshwar, Devgad of Maharashtra”. Journal of the Indian Society of Soil Science, vol. 72, no. 3, Oct. 2024, pp. 360-3, https://epubs.icar.org.in/index.php/JISSS/article/view/157574.