Y. W. RATNANINGRUM, E. FARIDAH, S. INDRIOKO, and A. SYAHBUDIN, “Flowering and seed production of sandalwood (Santalum album; Santalaceae) along environmental gradients in Gunung Sewu Geopark, Indonesia”, Nusantara Biosci, vol. 8, no. 2, Nov. 2016, doi: 10.13057/nusbiosci/n080209.