1. Badan Pusat Statistika (BPS), Directory of Construction Establishments 2020 Book II: Pulau Jawa, Bali, Nusa Tenggara, and Kepulauan Maluku, Jakarta: BPS-Statistics Indonesia; 2020 (accessed online on 2021 Aug 30, 2021).
2. A. Susanto, H. Susilo, Riyadi, J. Administrasi Bisnis 2, 1–11 (2013).
3. Web-based construction project management systems: how to make them successful?
4. B. Seigel, A Comprehensive Website Planning Guide 1, (2018), available at https://www.smashingmagazine.com/2018/02/comprehensive-website-planning-guide-part1/.
5. Usability evaluation of mobile applications using ISO 9241 and ISO 25062 standards