Maryono. Mengenal G. KOLFF, BOEKHANDEL TAN KHOEN SWIE dan BALAI PUSTAKA: Penerbit Buku Langka Masa Politik Etis Awal Abad 20 . MI [Internet]. 2021Jun.1 [cited 2024May21];30(1):90-103. Available from: https://journal.ugm.ac.id/v3/MI/article/view/4020