S. Dobrojan, G.-I. Plavan, V. Melnic, G. Jigău, and G. Dobrojan, “The effect of the application of cyanobacterial biofertilizers from the genus Nostoc on the quantitative parameters of the species Monarda fistulosa L.”, ActaEX, vol. 21, no. 1, pp. 124-132, Jul. 2026.