OKPON , S. N., & ADUAYI, E. A. (2020). EFFECT OF NITROGEN FERTILIZER SOURCES ON THE QUALITY AND MINERAL NUTRIENT COMPOSITION OF YAM. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)OKPON , S. N., و E. A. ADUAYI. EFFECT OF NITROGEN FERTILIZER SOURCES ON THE QUALITY AND MINERAL NUTRIENT COMPOSITION OF YAM. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)OKPON , S. N., و E. A. ADUAYI. EFFECT OF NITROGEN FERTILIZER SOURCES ON THE QUALITY AND MINERAL NUTRIENT COMPOSITION OF YAM. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.