Yaneva, Z., Georgieva, N., & Pavlov, A. (2016). Low-temperature plasma-modified zeolite (LTPMZ) vs. natural Bulgarian zeolite (NBZ) – Comparative physicochemical, UV/VIS and FTIR studies. Macedonian Journal of Chemistry and Chemical Engineering, 35(1), 97–105. https://doi.org/10.20450/mjcce.2016.850