Copyright (c) 2019 Halima Mohammed Lawal

This work is licensed under a Creative Commons Attribution 4.0 International License.
Halima Mohammed Lawal
Institute for Agricultural Research,
Ahmadu Bello University Zaria, Nigeria.
Nigeria
Soil Science, Senior Lecturer
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Signatory of DORA
San Francisco Declaration on Research Assessment
Note: These systems evaluate journal performance. Presented in complaince with DORA suggestions for publishers.