This course prepares students to develop their own vocabulary learning instruction in various occupational and professional contexts. It introduces the students to the basic principles and theories in vocabulary instruction. At the end of the course, learners are expected to be able to use different kinds of learning instructions in their material for vocabulary teaching and learning activities in ESP contexts which are integrated to their project for ESP Material Development which is also based on the syllabus developed in ESP Program Design. To achieve its objectives, throughout the course, students are assessed by means of portfolio and project.