Tomaszewicz, Tomasz, Justyna Chudecka, Sławomir Stankowski, Ulana Bashutska, i Marzena Gibczyńska. 2022. „The Assessment of Physicochemical Properties and Macronutrient Content of Reclaimed Soil Material and Hard Coal Ash 15 Years After the Experiment Setup”. Polish Journal of Agronomy 48 (48):21-27. https://doi.org/10.26114/pja.iung.473.2022.48.