Covey, Stephen R. Ati prabhavakari logoṃ ki 7 adateṃ : vyaktigata parivartana ke saśakta sabaqa / Stephen R.Covey. - 25th ed. - New Delhi : Manjul Publishing House, 2019. - 481 p. 21 cm. ISBN: 9788186775998 Subjects--Topical Terms: Families. Communication in families. Parent and child. Dewey Class. No.: 646.78 / COV/A