R. Wawolumaja, S. Santoso, W. Halim, and V. Carolina, “Analisis Penerapan Metode ‘Non-Value Added Activity Ellimination (Novaceli)’ pada Organisasi Nir Laba di Lingkungan GKI”, JIS, vol. 4, no. 2, pp. 168–180, Dec. 2021.