Generalized Systematic Sampling. - Zaheen Khan; Javid Shabbir; Sat Gupta (Commun. Stat. Simul. Comput., 2015)

Circular versions of systematic sampling in the presence of linear trend. - Zaheen Khan; Javid Shabbir; Sat Gupta (Commun. Stat. Simul. Comput., 2018)