2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/182695In the framework of quark-hadron duality, the cross section values of charmonium and doubly charmed baryon production in $e^+e^-$-annihilations have been estimated at interaction energy $\sqrt{s}=10.6$ GeV. It has been shown that the approach under discussion allows to resolve some contradictions between the experimental data and pQCD predictions.12 pages, 2 figures, RevTeX, improved English, added references, removed misprintsHigh Energy Physics - Phenomenologytext