[1]
I. S. . Utomo, T. . Hidayanto, A. A. N. . Afifah, and A. . Widyanigrum, “Fly Ash Innovation in Sustainable Agriculture: A Case Study of the INNDESA CSR Program by PT PLN Indonesia Power UBP Central Java 2 Adipala ”, IJ, vol. 7, no. 2, pp. 53–61, Aug. 2025.