Artnarong, Sasiprapa, Laimek, Sasithorn, AND Boonyoung, Nongnut. " Head Nurses’ Support and Registered Nurses’ Preparation for the Advancement of Career Ladder as Perceived by Registered Nurses in Secondary and Tertiary Hospitals in the Three Southernmost Provinces" วารสารวิทยบริการ มหาวิทยาลัยสงขลานครินทร์ | Academic Services Journal, Prince of Songkla University [Online], Volume 31 Number 1 (1 April 2020)