Rismawati, F., Mujahidah, U., Ardyansyah, F. A., Andreas, E. P., Priyoko, T. S., Gulo, N. and Saragih, N. H. (2026) “Life Cycle Assessment (LCA) of Palm Oil Boiler Ash (POBA) Implementation Scenarios as an NPK Fertilizer Alternative Substitution in Palm Oil Plantations”, Envirotek : Jurnal Ilmiah Teknik Lingkungan, 18(1), pp. 60–65. doi: 10.33005/envirotek.v18i1.2318.