LINDAWATI, L.; FAUZI, I. R.; TISTAMA, R.; ATMININGSIH, A. ANALISIS PERUBAHAN STRUKTUR BIAYA DAN KEBUTUHAN TENAGA KERJA PADA PENERAPAN SISTEM SADAP FREKUENSI RENDAH DI PERUSAHAAN PERKEBUNAN KARET, SUMATERA UTARA: Cost structure change analysis and labor requirement for the implementation of low frequency tapping systems in rubber plantation companies. Jurnal Penelitian Karet, [S. l.], v. 42, n. 1, p. 75–90, 2024. DOI: 10.22302/ppk.jpk.v42i1.888. Disponível em: https://ejournal.puslitkaret.co.id/index.php/jpk/article/view/888. Acesso em: 3 jul. 2024.