This study aims to test the effectiveness of using environment-oriented e-books based on
Problem-Based Learning (PBL) to empower problem-solving skills. The research design …

This research was motivated by the unavailability of activity-based electronic teaching
materials in the school so that it encourages author to make teaching materials in the form of …

Penyediaan sumber daya pengajaran yang lebih luas dan inovatif seperti modul
pembelajaran sangat penting untuk mencapai hasil pembelajaran yang efektif terutama di …

During peak periods, it is possible that the services provided by producers are very minimal,
for example speeding up service times in order to serve as many customers as possible …

However, in the business world, it is not enough to be in this position, we have to be
competitive and number one, and one way to win the competition is to improve service …

This is the basis for consumers to be able to buy products or services from the same place
repeatedly and not switch to other competing companies. From the data above, it can be …

It is impossible to produce quality products and services without quality people and
processes. However, in the business world, it is not enough to be in this position, we have to …

Services in general are intangible and cannot be fully owned by consumers. If not controlled,
this can have a negative impact on the company, because many customers feel dissatisfied …

From the above definition, it can be concluded that quality is a quality standard where each
element is interconnected and can influence performance in meeting customer expectations …

High consumer value creates customer loyalty. This is the basis for consumers to be able to
buy products or services from the same place repeatedly and not switch to other competing …