Sargsyan, M.A., H.S. Movsesyan, N.P. Ghazaryan, A.M. Sargsyan, and A.M. Avagyan. “QUANTITIES OF AMMONIFIERS IN BROWN FOREST SOILS AFTER INTRODUCTION OF CRYSTALLOPHORES”. Proceedings of the YSU B: Chemical and Biological Sciences 47, no. 1 (230) (March 10, 2013): 40–43. Accessed July 22, 2024. https://journals.ysu.am/index.php/proceedings-chem-biol/article/view/vol47_no1_2013_pp040-043.