SINGH, R K; DUBEY, B K; GUPTA, P K. NHRDF Red 4: new onion variety. Indian Horticulture, Delhi, India, v. 62, n. 4, 2019. Disponível em: https://epubs.icar.org.in/index.php/IndHort/article/view/87634. Acesso em: 19 jun. 2026.