Hamdan , Hamdan Adma Adinugraha, Erytrina Windyarini Erytrina, Trie Maria Hasnah Trie, Arif Priyanto Arif, Hendra Firdaus Hendra, 和 Budi Leksono Budi. 《The Growth of Calophyllum Inophyllum Scions Taken from Provenance Seed Stand in Wonogiri, Central Java》. Jurnal Wasian 8, no. 1 (六月 30, 2021): 1–9. 见于 七月 16, 2026. https://pub.kehutanan.unismuh.ac.id/index.php/wasian/article/view/110.