Orang Asli Socio-Development Index Instrument in Malaysia Syaaibah Zulkipli, Mohd Nuri Al-Amin Endut and Mohd Ridhuan Tony Lim Abdullah SHS Web Conf., 124 (2021) 07001 Published online: 15 November 2021 DOI: 10.1051/shsconf/202112407001