Although the Internet of Things (IoT), advanced manufacturing technologies, and cloud manufacturing contribute to developing a digital manufacturing ecosystem that enhances energy efficiency and resource utilization, manufacturing processes are vulnerable to timely production and delivery. The digital manufacturing systems in Industrial Revolution 4.0 (IR 4.0) minimized the human-technology interactions to foster productivity and material flow. However, there is scarce research to gauge the efficiency of these digital technologies in the entire manufacturing process; also, little is known about the collaborative efforts among countries to achieve sustainable manufacturing performance through the digitalization of the production process. Thus, this systematic review aimed to highlight the effectiveness of the digital manufacturing systems for sustainable product development and the collaborative research on the subject. We selected 52 research articles for this review by following the 2015 Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols (PRISMA) statement. The literature classifications were developed using text frequency algorithms in VOSviewer (Centre for Science and Technology Studies, Leiden University, The Netherlands) Results exposed literature from 2005 to 2020 can be categorized into four major research streams: digital transformation, digital manufacturing ecosystem, performance management, and sustainability. The study’s findings revealed that the manufacturing processes are moving towards the IoT, digital devices, and smart factories that are entirely dependent on digital technologies. The digital manufacturing ecosystem is dependent on the availability of digital technologies to all stakeholders. The study concluded that digital technologies are improving manufacturing efficiency and process effectiveness. However, this requires infrastructure that primarily available in developed countries; thus, the digital transformation in underdeveloped regions is deliberate and requires more collaborative research.

<p><span lang="EN-US">This article discusses the development procedures of the Tarannum Smart Learning Application (Tarannum-SLA). It is a teaching and learning aid that has been developed for those who are interested in the </span><em><span lang="EN-US">tarannum</span></em><span lang="EN-US"> subject. The </span><em><span lang="EN-US">tarannum</span></em><span lang="EN-US"> is a technique to beautify and curve the tone of voice, in a certain tempo and rhythm when reading the Quran. The main aim of Tarannum-SLA is to facilitate the process of learning </span><em><span lang="EN-US">tarannum</span></em><span lang="EN-US">. Also, this courseware could create awareness among Muslims on the importance of the Quran. The Tarannum-SLA was developed not only to attract Muslims but also for non-Muslims who are interested to know about Islam, especially in terms of the arts of Quran recitation. Furthermore, in this courseware, we provide three language options, which are Malay, English, and Arabic for the convenience of our diverse prospective users. There are seven styles of </span><em><span lang="EN-US">tarannum</span></em><span lang="EN-US">, including Bayyati, Nahwand, Hijaz, Rast, Soba, Jiharkah, and Sika that are included in the Tarannum-SLA. Furthermore, to examine the ability of Tarannum-SLA to tackle the users’ needs, we have conducted the usability analysis based on the diffusion of innovation model. The result indicated that most of the constructs are perceived at a high level by respondents. Thus, this evidenced the high usability of Tarannum-SLA in promoting Quranic education. Although the development of this courseware has reached the implementation stage, it still needs some future improvements, for example, to amend the verses and reciters.</span></p>

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