WIDIASTUTI, Lusia; SARYANTO, Saryanto; JUMINTONO , Jumintono. Principal Instructional Leadership in the Implementation of the "Wednesday Literacy Movement" to Improve Student Literacy and Numeracy Achievement . Journal of Creative Power and Ambition (JCPA), [S. l.], v. 4, n. 02, p. 203–216, 2026. Disponível em: https://edujavare.com/index.php/jcpa/article/view/1581. Acesso em: 13 sep. 2026.