他與她 / Love is a feeling to be learned Walter Trobisch著; 王秋嬿譯 - 香港 : 証道, 1972 - 38 p. ; 18 cm. Original title: Love is a feeling to be learned Nat. Bib. Agency Control No.: 1021782 ChTaNC Subjects--Topical Terms: Sexual education.發展心理學