Manolova, V., Kostadinova, S., Manolov, I. Economic efficiency of fertilization and its residual-effect during conversion period to organic field crop production. 2015 с. 1022-1026,.
Manolova, V., Kostadinova, S., Manolov, I. Economic efficiency of fertilization and its residual-effect during conversion period to organic field crop production. 2015 с. 1022-1026,.
Manolova, V., Kostadinova, S., Manolov, I. (2015) Economic efficiency of fertilization and its residual-effect during conversion period to organic field crop production, с. 1022-1026,.
Manolova, V., Kostadinova, S., & Manolov, I. (2015). Economic efficiency of fertilization and its residual-effect during conversion period to organic field crop production. с. 1022-1026.
Manolova V, Kostadinova S, Manolov I. Economic efficiency of fertilization and its residual-effect during conversion period to organic field crop production. 2015. p. с. 1022-1026.