1. Abd-Wahab SRH, Sairi A, Che-Ani AI, Tawil NM, Johar S (2015) Building maintenance issues: a Malaysian scenario for high-rise residentials buildings. Int J Appl Eng Res 10(6):15759–15776
2. Ali AS, Kamaruzzaman S, Sulaiman R, Peng YC (2010) Factors affecting housing maintenance cost in Malaysia. J Facil Manage 8(4):285–298
3. Ali AS, Chua SJL (2011) Issues and challenges in implementing of planned maintenance. Prof J R Inst Surveyors Malaysia 46(4):33–37
4. Ali AS, Chua SJL, Ali DBA (2016) Issues and challenges faced by government office buildings in performing maintenance work. Jurnal Teknologi (Sci Eng) 78(11):11–23
5. Aliyu AA, Funtua HA, Mammadi A, Bukar BG, Abubakar MM (2015) Problems associated with elevators in high-rise commercial buildings in North-Western State Capitals of Nigeria. J Energy Technol Policy 5(12):62–69