VALIDITAS BAHAN AJAR BOOKLET BERBASIS KEMARITIMAN PADA MATERI EKOSISTEM KELAS X
This research aimed to develop of biology booklet based on maritime literacy on ecosystem topic for grade X students. Based on maritime literacy is an all aspects concerning marine and all its rescources. The research was a Research and Development by adapting from the Plomp model. This research was conducted in 5 stages, namely : 1) the initial investigation stage (initial analysis, student analysis, material analysis); 2) the design stage; 3) the realization stage; 4) the test, evaluation, and revision stage; 5) implementation stage. Based on result of the research and development of the biology booklet based on maritime litercay, the average validation results obtained by material experts were 83,03% and 88,75% by teaching material experts with the category of “very valid”. So it can be concluded that the development of biology booklet based on maritime literacy on ecosystem topic for grade X students developed with the Plomp model is very valid for later use in the learning.