http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
causal model of spiritual leadership and self-development
a case study of the Naqshabandiyah Khalidiyah spiritual order in Malaysia
Ph.D. Jabatan Akidah dan Pemikiran Islam, Akademi Pengajian Islam, Universiti Malaya 2018.