MAN'P22 UG/19288 UG/19289 UG/19290 UG/19291 UG/19292 Mangal,S.K. Statistics in psychology and education / S.K. Mangal. – 2nd ed. – Delhi : PHI Learning, c2022 xi [], 404p. ISBN9788120320888 : Rs.395/- . Mathematical statistics . Social sciences – Statistical methods . Psychometrics . Educational statistics . Psychology – Statistical methods |