1. Young et al, Organization for Economis Co-Operation and Development (OECD), “International symposium for measuring and reporting intellectual capital: experience, issue, and prospects,” Amsterdam, 2009.
2. Intellectual capital and traditional measures of corporate performance
3. Houari et al, “The impact of leadership patterns on the development of intellectual capital in the educational sector in The Kingdom of Bahrain,” Research Journal of Finance and Accounting, 2015, vol. 6, no.2.
4. Darmayanti, Ni Putu, I. Wayan Bagia, and I. Wayan Suwendra, “Pengaruh kompetensi intelektual dan motivasi berprestasi terhadap kinerja pegawai pada Perusahaan Daerah Air Minum (PDAM) di Kabupaten Gianyar,” E-Journal Bisma, Ganesha Education University, Departement of Management, 2014, vol. 2
5. Harbani & Paramudia Pasolong Kepemimpinan birokrasi, Pusat Kajian & Pendidikan dan Latihan Aparatur Negara Lan Makassar, Indonesia, 2008