“NEW POSSIBILITIES OF LOW-TEMPERATURE GENERATION OF ACTIVE CENTERS DURING HETEROGENEOUS-HOMOGENEOUS ACTIVATION OF PROPANE ON SILICA GEL SURFACE, MODIFIED WITH ZnO BY THE SOL-GEL AND CHEMICAL TRANSPORT REACTION METHODS”. 2021. Proceedings of the YSU B: Chemical and Biological Sciences 55 (1 (254): 1-6. https://doi.org/10.46991/PYSU:B/2021.55.1.001.