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 …

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 …

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 …

Abstract Service is an activity or benefit that one person can offer to another which is
essentially intangible and does not result in ownership of anything. Service is an intangible …

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 study aimed to develop an effective biology learning module based on Problem-Based
Learning (PBL) for Kingdom Plantae, tailored to the educational needs of students in Islamic …