Hariri, M. R., M. S. Yusuf, L. D. Nurmamulyosari, and A. E. Kharisma. “EFFECT OF SOIL PH ON THE ANTHOCYANIN LEVEL OF HORTENSIA (<i>Hydrangea macrophylla</I&gt;)”. KnE Life Sciences, Vol. 2, no. 1, Sept. 2015, pp. 613-6, doi:10.18502/kls.v2i1.228.