L. Siregar, N. Aryani, and N. Wilyanita, “Analysis of the Implementation of the Teacher Learning Day Program (PHBG) in Improving Teacher Competence”, <meta name="google-site-verification" content="hk1EvV2s9SCchFUV_4f7GgLdW5pQDckkxwSCWkj4stU" />, vol. 4, no. 1, pp. 473–483, Mar. 2026.