QUDDUS, K.G.; UDDIN, M.J.; KHAN, S.A.K.U.; ABEDIN, M.J. COMPARATIVE SOIL FERTILITY STUDY ON GHIOR, GOPALPUR, ISWARDI AND SARA SERIES. Khulna University Studies, [S. l.], p. 343–347, 2000. DOI: 10.53808/KUS.2000.2.2.0050-L. Disponível em: http://kus.ku.ac.bd/kustudies/article/view/704. Acesso em: 7 oct. 2025.