Sahni, Madhu Pedagogy of mathematics / Madhu Sahni. - New Delhi : Vikash Publishing House, 2019. - xvi, 464 p. : ill. ; 25 cm. Includes bibliographical references and index. ISBN: 9789353383275 (pbk.) Subjects--Topical Terms: Mathematics--Study and teaching Dewey Class. No.: 510.71 / MAD/P