Bee pollinators (Hymenoptera: Apoidae) diversity in Nitra city, Slovakia, during summer season [elektronický zdroj] / Mubarak Abdelrahman Salim Eisa, Mohamed A Shebl, Ľudovít Cagáň, Róbert Chlebo, Olha Matsera. In: Scientific Conference of PhD. Students of FAFR, FBFS and FHLE SUA in Nitra with international participation. -- 1. vyd.. -- 65 s.. -- 978-80-552-2538-8 Scientific Conference of PhD. Students of FAFR, FBFS and FHLE SUA in Nitra. -- Nitra : Slovenská poľnohospodárska univerzita, 2022. -- S. 36. včely * opeľovače * druhová rozmanitosť