SOROUR, A., AL-ZAHRANI, K. (2004). THE STUDY OF THE KNOWLEDGE LEVEL AND USE OF FERTILIZERS PRACTICES IN MANAGEMENT AND APPLICATION OF CHEMICAL FERTILIZERS AMONG THE FARMERS IN RIYADH REGION. test, 82(2), 905-920. doi: 10.21608/ejar.2004.260295
ABDEL-LATEF A. SOROUR; KHADRAN H. AL-ZAHRANI. "THE STUDY OF THE KNOWLEDGE LEVEL AND USE OF FERTILIZERS PRACTICES IN MANAGEMENT AND APPLICATION OF CHEMICAL FERTILIZERS AMONG THE FARMERS IN RIYADH REGION". test, 82, 2, 2004, 905-920. doi: 10.21608/ejar.2004.260295
SOROUR, A., AL-ZAHRANI, K. (2004). 'THE STUDY OF THE KNOWLEDGE LEVEL AND USE OF FERTILIZERS PRACTICES IN MANAGEMENT AND APPLICATION OF CHEMICAL FERTILIZERS AMONG THE FARMERS IN RIYADH REGION', test, 82(2), pp. 905-920. doi: 10.21608/ejar.2004.260295
SOROUR, A., AL-ZAHRANI, K. THE STUDY OF THE KNOWLEDGE LEVEL AND USE OF FERTILIZERS PRACTICES IN MANAGEMENT AND APPLICATION OF CHEMICAL FERTILIZERS AMONG THE FARMERS IN RIYADH REGION. test, 2004; 82(2): 905-920. doi: 10.21608/ejar.2004.260295