Kim, Nam-Gil; Irena Christine; Morin Tanang. (2010). Why? : happy science 3 / written by Kim Nam-Gil ; alih bahasa, Morin Tanang ; editor, Irena Christine. Jakarta :: Elex Media Komputindo,.
Kim, Nam-Gil; Irena Christine; Morin Tanang. Why? : happy science 3 / written by Kim Nam-Gil ; alih bahasa, Morin Tanang ; editor, Irena Christine. Jakarta :: Elex Media Komputindo,, 2010
Kim, Nam-Gil; Irena Christine; Morin Tanang. Why? : happy science 3 / written by Kim Nam-Gil ; alih bahasa, Morin Tanang ; editor, Irena Christine. Jakarta :: Elex Media Komputindo,, 2010.