“Influence of Vermicompost and Chemical Fertilizers On Macronutrients Content in Different Organs and Oil Content in Seeds of Sunflower (Helianthus Annuus L.)”. Bangladesh Journal of Botany 52, no. 1 (March 30, 2023): 149–157. Accessed June 25, 2026. https://www.banglajol.info/index.php/BJB/article/view/65245.