Faissa และผู้แต่งคนอื่นๆ. 2004. Assessment of micronutrient status of Nitisols and Andisols in some selected areas of Ethiopia for maize production for maize production. Field of Study Soil Science, Kasetsart University;
Faissa และผู้แต่งคนอื่นๆ. (2004) Assessment of micronutrient status of Nitisols and Andisols in some selected areas of Ethiopia for maize production for maize production . Kasetsart University/Bangkok.
Faissa และผู้แต่งคนอื่นๆ. Assessment of micronutrient status of Nitisols and Andisols in some selected areas of Ethiopia for maize production for maize production. . Bangkok:Kasetsart University, 2004.
Faissa และผู้แต่งคนอื่นๆ. (2004) Assessment of micronutrient status of Nitisols and Andisols in some selected areas of Ethiopia for maize production for maize production . Kasetsart University/Bangkok.