Kim Tae Kwan. (Khmer) 100 World science development: Theory of the sun and the Halley's comet / Kim Tae Kwan. - 3rd. - Cambodia: Sipar, 2022. - 98 p. ill. 22 cm. - I want to know: World development; 2. . "Translated from Korean by Var Sovanrath". ISBN: 9789996305825 Subjects--Topical Terms: Theory of the Sun. Halley's comet.