Tang Xingying และ Hong Yang;Zhao Liguang;Xu Zhi;Tang Li. (2017) Different organic fertilizers improve the normalized enzyme activity of flue-cured tobacco soil under chemical fertilizers reduction. Mahasarakham University:ม.ป.ท.Tang Xingying และ Hong Yang;Zhao Liguang;Xu Zhi;Tang Li. 2017. Different organic fertilizers improve the normalized enzyme activity of flue-cured tobacco soil under chemical fertilizers reduction. ม.ป.ท.:Mahasarakham University;Tang Xingying และ Hong Yang;Zhao Liguang;Xu Zhi;Tang Li. Different organic fertilizers improve the normalized enzyme activity of flue-cured tobacco soil under chemical fertilizers reduction. ม.ป.ท.:Mahasarakham University, 2017. Print.