Avagyan, A.M., M.A. Sargsyan, and H.S. Movsesyan. 2012. “PERSISTENCE OF CRYSTAL-FORMING INSECTICIDE BACTERIA IN TYPICAL CHERNOZEM PLANTED WITH CABBAGE”. Proceedings of the YSU B: Chemical and Biological Sciences 46 (2 (228):55-60. https://doi.org/10.46991/PYSU:B/2012.46.2.055.