Y. Handoyo, L. Liana, N. Purnomo, and N. Ngatmiati, “Evaluasi Program Professional Development di TK-SD XYZ Menggunakan Konsep Trilogi Kualitas Ditinjau dari Perspektif Alkitabiah [An Evaluation of The Professional Development Programme in XYZ Kindergarten and Primary Using the Concept of The Trilogy of Quality Viewed From The Biblical Perspective]”, DILIGENTIA, vol. 3, no. 3, pp. 196–207, Sep. 2021.