Siregar IF, Rismawaty, Halimatus Syahdia Hasibuan. Patchouli Agroindustry Technology In Guo Batu Village, Mandailing Natal Regency, North Sumatera Province. JRP [Internet]. 2022 Sep. 5 [cited 2024 Nov. 22];3(2):56-65. Available from: http://jrp.faperta.unand.ac.id/index.php/jrp/article/view/45