Fitra Syawal Harahap, Rahmaniah, Oesman Roswita, and Arman Iman. “Supply Liquid Organic Fertilizer NASA and Rice Husk Ash To The Chemical Properties Of The Soil On The Tomato Plant”. International Journal of Science, Technology & Management 1, no. 3 (September 30, 2020): 185-189. Accessed November 14, 2024. https://ijstm.inarah.co.id/index.php/ijstm/article/view/42.