Penerapan asas pertanggungjawaban negara dalam kerusakan dan/atau pencemaran lingkungan lintas batas: studi kasus certain activities carried out by Nicaragua in the border area (Kosta Rika v Nikaragua) (2015 IJC 665 dan 2018 ICJ 150) dan bencana kabut asap yang ditimbulkan dari kebakaran lahan dan/atau hutan di Indonesia = The Application of the principle of state responsibility on the transboundary harm consideration in certain activities carried out by Nicaragua in the border area (Costa Rica v Nicaragua) (2015 IJC 665 and 2018 ICJ 150) and transboundary haze pollution caused by land and forest fire in Indonesia