GURJEET SINGH, R.K. DUBEY, MADHU BALA, DEEPIKA RAVI, and KRITIKA PANT, “Effect of sewage water and potting media on growth and flowering of calendula (Calendula officinalis)”, Jour of Orna Horti, vol. 25, no. 1 & 2, pp. 62–71, May 2024, Accessed: Oct. 22, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/JOH/article/view/151901