Odoo Server 15.0 - en to sr translation catalogue (3 entries)

note: module: mass_mailing_slides
en: Contact Attendees
sr: Kontaktiraj učesnike

note: module: mass_mailing_slides
en: Course
sr: Kurs

note: module: mass_mailing_slides
en: Mass Mail Course Members
sr: Masovni mail članovima kursa
