Reading extensively to develop reading skill
 Artikel Jurnal
Isma Kania Muthmainah
Critical soft skill competence manajer proyek pada proyek infrastruktur yang berpengaruh terhadap kinerja biaya = Critical soft skill competence of project manager in infrastructure that affects cost performance
Fakultas Teknik Universitas Indonesia, 2014
 UI - Tesis Membership
Putri Sakinah
Analisis Pembentukan Keterampilan dan Transisi Sekolah Ke Bekerja = Analysis of Skill Formation and School-to-Work Transition
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2024
 UI - Tesis Membership
Plattner, Francis B.
Improve your communication and speaking skills
American Society for Training and Development Press, 1997
 eBooks
Lucas, Stephen E.
The art of speaking
McGraw-Hill , 2004
 Multimedia