Darwin Sebayang, Ting Ing King and Razak bin Wahab (2004) “THE PROPERTIES OF RATTAN CALAMUS CAESIUS (RATTAN SEGA) AND ITS APPLICATION IN SPRING FORM”, Jurnal Sains Materi Indonesia, 5(3), pp. 21–26. doi: 10.17146/jsmi.2004.5.3.5086.