Ciobăniţă, Maria-Mihaela, Denis Constantin Ţopa, Costel Daniel Galeş, Simina Răileanu, Costică Ailincăi. 2018. "The effects of strip cropping system, grass buffers strips and slope position on some physico-chemical properties at cambic chernozem from Iaşi county". Lucrări Ştiinţifice USAMV - Iaşi Seria Agronomie 61(1): 71-78.; Ţopa, Denis Constantin; Galeş, Costel Daniel; Răileanu, Simina; Ailincăi, Costică
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2018)