A Sukarno, EB Hardiyanto, SN Marsoem, and M Na’iem. “OLEORESIN PRODUCTION, TURPENTINE YIELD AND COMPONENTS OF <em>PINUS</em> <em>MERKUSII</Em> FROM VARIOUS INDONESIAN PROVENANCES”. Journal of Tropical Forest Science (JTFS), vol. 27, no. 1, Jan. 2015, pp. 136-41, https://jtfs.frim.gov.my/jtfs/article/view/902.