PARMAR, VN; PATEL, KS; PANDYA, CD. Input use, cost structure and return analysis of Sugarcane crop in South Gujarat. Journal of Agricultural Extension Management, India, v. 15, n. 2, p. 71–80, 2019. Disponível em: https://epubs.icar.org.in/index.php/JAEM/article/view/89727. Acesso em: 21 oct. 2025.