L. M. Y. D. Darmoatmodjo, V. C. Kaharso, N. Kusumawati, V. Virly, and N. Admawigati, “Enrichment learning method in STEP-food technology at SMAK Santo Hendrikus Surabaya”, ABDIMAS J. Pengabdi. Masy. Univ. Merdeka Malang, vol. 8, no. 1, pp. 25–37, Mar. 2023.