Alami, Nurul (2023) Efektivitas Biochar Tongkol Jagung dan Rumput Akar Wangi (Vetiveria zizanioides) Terhadap Perubahan Sifat Kimia Tanah Purna Tambang Nikel = Effectiveness of Corn Cobs Biochar and Vetiver grass (Vetiveria zizanioides) on Chemical Properties Post Nickel Mining Soil. Skripsi thesis, Universitas Hasanuddin.