COLLECTIVE AGREEMENT 2021–2025 between the Authorised Officer of the Lesya Ukrainka Volyn National University and the Trade Union Committee of the Employees of the Lesya Ukrainka Volyn National University COLLECTIVE AGREEMENT 2021–2025 between the Authorised Officer of the Lesya Ukrainka Volyn National University and the Trade Union Committee of the Employees of the Lesya Ukrainka Volyn National University