Other relevant courses for students who have an interest in human resources might include business administration, public administration, psychology, sociology, political science, economics, and statistics.
As demonstrative pronouns, este is masculine , esta is feminine, and esto is neuter. The first two are fairly clear, since they always refer to nouns with matching gender. However, unlike many other languages, Spanish has no nouns with neuter gender.
Ser and estar are both verbs that mean 'to be.' However, ser is a verb used for a more permanent state, while estar is for a temporary state of being. One may use ser for gender, race, dates, times, etc... and use estar for feelings, location of a person, etc.