This work is aimed at children, young people and their families, with provocative experiences and ideas to encourage discovery. Attractive illustrations and detailed directions accompany the Physics, Biology, and Chemistry experiments.In addition, mo..

This work is aimed at all those students who are in the seventh grade of secondary education. It presents mathematical problems in the area of ​​geometry, framed in everyday contexts of application, with the aim of the student facing and resolving th..

This work is directed to the teachers in charge of teaching the seventh level of secondary education. It presents mathematical problems in the area of ​​geometry, framed in everyday contexts of application, with the aim that they are proposed to the ..

Cost accounting has become relevant in today's world, since every time we seek to make a rational use of resources, and for this it is necessary to know how much it costs to carry out the activities or process the products. For this reason, the work ..

"Cost accounting has taken on relevance in today's world, since every time we seek to make a rational use of resources, and for this it is necessary to know how much it costs to carry out activities or process products. of accounting and management c..

"Companies must correctly allocate costs to articles and manage information, in order to generate the necessary tools for analysis. The work Accounting and cost management information systems II aims to explain cost concepts such as their predetermin..

Certain times in the development of humanity have been characterized by their effervescence and diversification of artistic, technical, intellectual and scientific activities; one of them occurred in the late nineteenth century in Europe and North Am..

"In the framework of the productive and social diversity that characterized the Costa Rican agricultural panorama of the late nineteenth century, the dominant coffee activity suffered its first great disenchantment with the crisis of 1897, th..