APA
Sher Afgan Khan Niazi, Khan Ahmad, . (1991). Partial of replacement of ordinary portland cement with rice husk ash and establishment of strength relationship. Risalpur: MCE, NUST.
Chicago
Sher Afgan Khan Niazi, Khan Ahmad, . 1991. Partial of replacement of ordinary portland cement with rice husk ash and establishment of strength relationship. Risalpur: MCE, NUST.
Harvard
Sher Afgan Khan Niazi, Khan Ahmad, . (1991). Partial of replacement of ordinary portland cement with rice husk ash and establishment of strength relationship. Risalpur: MCE, NUST.
MLA
Sher Afgan Khan Niazi, Khan Ahmad, . Partial of replacement of ordinary portland cement with rice husk ash and establishment of strength relationship. Risalpur: MCE, NUST. 1991.