MUTAKIN, Firman; SIHALOHO, Tumpal. IKLIM USAHA INDUSTRI PENGOLAHAN BIJI KAKAO. Buletin Ilmiah Litbang Perdagangan, [S. l.], v. 1, n. 1, p. 3–26, 2018. DOI: 10.30908/bilp.v1i1.291. Disponível em: https://jurnal.kemendag.go.id/index.php/bilp/article/view/291. Acesso em: 8 feb. 2026.