Harahap, Seri Juni Yanti, Rasmita Adelina, Dini Puspita Yanty, and Sutan Pulungan. “The Role of Liquid Smoke and Biochar Planting Media on Shallot Growth and Production (Allium Ascalonicum L)”. International Journal of Natural Science Studies and Development (IJOSS) 3, no. 1 (February 17, 2026): 277–288. Accessed May 18, 2026. https://ipi-limited.com/index.php/ijoss/article/view/38.